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Finding the Fourth Proportional to 425,265.95, 586,866.98 and 234,279.34

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Solution

The fourth proportional to 425,265.95, 586,866.98 and 234,279.34 is: 323,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,265.95 : 586,866.98 = 234,279.34 : x
  2. Step 2: Convert to fraction form
    425,265.95/586,866.98 = 234,279.34/x
  3. Step 3: Cross multiply
    425,265.95x = 586,866.98 × 234,279.34
  4. Step 4: Simplify right side
    425,265.95x = 137,490,808,742.19
  5. Step 5: Solve for x
    x = 137,490,808,742.19/425,265.95
  6. Step 6: Final answer
    x = 323,305.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.