Home / 425,114.87-586,685.03-234,128.21

Finding the Fourth Proportional to 425,114.87, 586,685.03 and 234,128.21

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Solution

The fourth proportional to 425,114.87, 586,685.03 and 234,128.21 is: 323,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,114.87 : 586,685.03 = 234,128.21 : x
  2. Step 2: Convert to fraction form
    425,114.87/586,685.03 = 234,128.21/x
  3. Step 3: Cross multiply
    425,114.87x = 586,685.03 × 234,128.21
  4. Step 4: Simplify right side
    425,114.87x = 137,359,511,803.63
  5. Step 5: Solve for x
    x = 137,359,511,803.63/425,114.87
  6. Step 6: Final answer
    x = 323,111.52

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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.