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Finding the Fourth Proportional to 340,555.16, 510,657.84 and 182,916.20

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Solution

The fourth proportional to 340,555.16, 510,657.84 and 182,916.20 is: 274,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,555.16 : 510,657.84 = 182,916.20 : x
  2. Step 2: Convert to fraction form
    340,555.16/510,657.84 = 182,916.20/x
  3. Step 3: Cross multiply
    340,555.16x = 510,657.84 × 182,916.20
  4. Step 4: Simplify right side
    340,555.16x = 93,407,591,593.01
  5. Step 5: Solve for x
    x = 93,407,591,593.01/340,555.16
  6. Step 6: Final answer
    x = 274,280.36

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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.