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Finding the Fourth Proportional to 425,386, 587,045.03 and 234,411.69

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Solution

The fourth proportional to 425,386, 587,045.03 and 234,411.69 is: 323,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,386 : 587,045.03 = 234,411.69 : x
  2. Step 2: Convert to fraction form
    425,386/587,045.03 = 234,411.69/x
  3. Step 3: Cross multiply
    425,386x = 587,045.03 × 234,411.69
  4. Step 4: Simplify right side
    425,386x = 137,610,217,588.40
  5. Step 5: Solve for x
    x = 137,610,217,588.40/425,386
  6. Step 6: Final answer
    x = 323,494.94

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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.