Home / 286,566.20-429,849.30-144,848.60

Finding the Fourth Proportional to 286,566.20, 429,849.30 and 144,848.60

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Solution

The fourth proportional to 286,566.20, 429,849.30 and 144,848.60 is: 217,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,566.20 : 429,849.30 = 144,848.60 : x
  2. Step 2: Convert to fraction form
    286,566.20/429,849.30 = 144,848.60/x
  3. Step 3: Cross multiply
    286,566.20x = 429,849.30 × 144,848.60
  4. Step 4: Simplify right side
    286,566.20x = 62,263,069,315.98
  5. Step 5: Solve for x
    x = 62,263,069,315.98/286,566.20
  6. Step 6: Final answer
    x = 217,272.90

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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.