Home / 559,985.20-839,977.80-160,590.40

Finding the Fourth Proportional to 559,985.20, 839,977.80 and 160,590.40

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Solution

The fourth proportional to 559,985.20, 839,977.80 and 160,590.40 is: 240,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,985.20 : 839,977.80 = 160,590.40 : x
  2. Step 2: Convert to fraction form
    559,985.20/839,977.80 = 160,590.40/x
  3. Step 3: Cross multiply
    559,985.20x = 839,977.80 × 160,590.40
  4. Step 4: Simplify right side
    559,985.20x = 134,892,370,893.12
  5. Step 5: Solve for x
    x = 134,892,370,893.12/559,985.20
  6. Step 6: Final answer
    x = 240,885.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.