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Finding the Fourth Proportional to 425,392.14, 587,053.50 and 234,417.84

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Solution

The fourth proportional to 425,392.14, 587,053.50 and 234,417.84 is: 323,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,392.14 : 587,053.50 = 234,417.84 : x
  2. Step 2: Convert to fraction form
    425,392.14/587,053.50 = 234,417.84/x
  3. Step 3: Cross multiply
    425,392.14x = 587,053.50 × 234,417.84
  4. Step 4: Simplify right side
    425,392.14x = 137,615,813,434.44
  5. Step 5: Solve for x
    x = 137,615,813,434.44/425,392.14
  6. Step 6: Final answer
    x = 323,503.42

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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.