Home / 514,132.80-770,875.20-214,821.60

Finding the Fourth Proportional to 514,132.80, 770,875.20 and 214,821.60

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Solution

The fourth proportional to 514,132.80, 770,875.20 and 214,821.60 is: 322,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,132.80 : 770,875.20 = 214,821.60 : x
  2. Step 2: Convert to fraction form
    514,132.80/770,875.20 = 214,821.60/x
  3. Step 3: Cross multiply
    514,132.80x = 770,875.20 × 214,821.60
  4. Step 4: Simplify right side
    514,132.80x = 165,600,643,864.32
  5. Step 5: Solve for x
    x = 165,600,643,864.32/514,132.80
  6. Step 6: Final answer
    x = 322,097.02

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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.