Home / 346,988.03-520,485.71-122,306.58

Finding the Fourth Proportional to 346,988.03, 520,485.71 and 122,306.58

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Solution

The fourth proportional to 346,988.03, 520,485.71 and 122,306.58 is: 183,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,988.03 : 520,485.71 = 122,306.58 : x
  2. Step 2: Convert to fraction form
    346,988.03/520,485.71 = 122,306.58/x
  3. Step 3: Cross multiply
    346,988.03x = 520,485.71 × 122,306.58
  4. Step 4: Simplify right side
    346,988.03x = 63,658,826,517.44
  5. Step 5: Solve for x
    x = 63,658,826,517.44/346,988.03
  6. Step 6: Final answer
    x = 183,461.16

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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.