Home / 498,059.10-747,089.37-142,990.62

Finding the Fourth Proportional to 498,059.10, 747,089.37 and 142,990.62

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Solution

The fourth proportional to 498,059.10, 747,089.37 and 142,990.62 is: 214,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,059.10 : 747,089.37 = 142,990.62 : x
  2. Step 2: Convert to fraction form
    498,059.10/747,089.37 = 142,990.62/x
  3. Step 3: Cross multiply
    498,059.10x = 747,089.37 × 142,990.62
  4. Step 4: Simplify right side
    498,059.10x = 106,826,772,211.71
  5. Step 5: Solve for x
    x = 106,826,772,211.71/498,059.10
  6. Step 6: Final answer
    x = 214,486.14

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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.