Home / 411,026.60-616,539.90-145,087.40

Finding the Fourth Proportional to 411,026.60, 616,539.90 and 145,087.40

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Solution

The fourth proportional to 411,026.60, 616,539.90 and 145,087.40 is: 217,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,026.60 : 616,539.90 = 145,087.40 : x
  2. Step 2: Convert to fraction form
    411,026.60/616,539.90 = 145,087.40/x
  3. Step 3: Cross multiply
    411,026.60x = 616,539.90 × 145,087.40
  4. Step 4: Simplify right side
    411,026.60x = 89,452,171,087.26
  5. Step 5: Solve for x
    x = 89,452,171,087.26/411,026.60
  6. Step 6: Final answer
    x = 217,631.10

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Why These Related Problems?

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