Home / 498,328.20-747,466.18-143,328.29

Finding the Fourth Proportional to 498,328.20, 747,466.18 and 143,328.29

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Solution

The fourth proportional to 498,328.20, 747,466.18 and 143,328.29 is: 214,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,328.20 : 747,466.18 = 143,328.29 : x
  2. Step 2: Convert to fraction form
    498,328.20/747,466.18 = 143,328.29/x
  3. Step 3: Cross multiply
    498,328.20x = 747,466.18 × 143,328.29
  4. Step 4: Simplify right side
    498,328.20x = 107,133,045,316.58
  5. Step 5: Solve for x
    x = 107,133,045,316.58/498,328.20
  6. Step 6: Final answer
    x = 214,984.91

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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.