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Finding the Fourth Proportional to 417,652.40, 626,478.60 and 151,421.60

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Solution

The fourth proportional to 417,652.40, 626,478.60 and 151,421.60 is: 227,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,652.40 : 626,478.60 = 151,421.60 : x
  2. Step 2: Convert to fraction form
    417,652.40/626,478.60 = 151,421.60/x
  3. Step 3: Cross multiply
    417,652.40x = 626,478.60 × 151,421.60
  4. Step 4: Simplify right side
    417,652.40x = 94,862,391,977.76
  5. Step 5: Solve for x
    x = 94,862,391,977.76/417,652.40
  6. Step 6: Final answer
    x = 227,132.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.