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Finding the Fourth Proportional to 610,214.52, 915,280.74 and 210,860.76

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Solution

The fourth proportional to 610,214.52, 915,280.74 and 210,860.76 is: 316,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,214.52 : 915,280.74 = 210,860.76 : x
  2. Step 2: Convert to fraction form
    610,214.52/915,280.74 = 210,860.76/x
  3. Step 3: Cross multiply
    610,214.52x = 915,280.74 × 210,860.76
  4. Step 4: Simplify right side
    610,214.52x = 192,996,792,449.76
  5. Step 5: Solve for x
    x = 192,996,792,449.76/610,214.52
  6. Step 6: Final answer
    x = 316,276.96

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1.5x scale

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.