Home / 514,051.16-771,057.60-134,968.43

Finding the Fourth Proportional to 514,051.16, 771,057.60 and 134,968.43

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Solution

The fourth proportional to 514,051.16, 771,057.60 and 134,968.43 is: 202,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,051.16 : 771,057.60 = 134,968.43 : x
  2. Step 2: Convert to fraction form
    514,051.16/771,057.60 = 134,968.43/x
  3. Step 3: Cross multiply
    514,051.16x = 771,057.60 × 134,968.43
  4. Step 4: Simplify right side
    514,051.16x = 104,068,431,934.68
  5. Step 5: Solve for x
    x = 104,068,431,934.68/514,051.16
  6. Step 6: Final answer
    x = 202,447.62

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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.