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Finding the Fourth Proportional to 425,440.10, 587,119.64 and 234,465.80

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Solution

The fourth proportional to 425,440.10, 587,119.64 and 234,465.80 is: 323,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,440.10 : 587,119.64 = 234,465.80 : x
  2. Step 2: Convert to fraction form
    425,440.10/587,119.64 = 234,465.80/x
  3. Step 3: Cross multiply
    425,440.10x = 587,119.64 × 234,465.80
  4. Step 4: Simplify right side
    425,440.10x = 137,659,471,980.39
  5. Step 5: Solve for x
    x = 137,659,471,980.39/425,440.10
  6. Step 6: Final answer
    x = 323,569.58

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