Home / 518,192.31-777,214.65-163,197.10

Finding the Fourth Proportional to 518,192.31, 777,214.65 and 163,197.10

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Solution

The fourth proportional to 518,192.31, 777,214.65 and 163,197.10 is: 244,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,192.31 : 777,214.65 = 163,197.10 : x
  2. Step 2: Convert to fraction form
    518,192.31/777,214.65 = 163,197.10/x
  3. Step 3: Cross multiply
    518,192.31x = 777,214.65 × 163,197.10
  4. Step 4: Simplify right side
    518,192.31x = 126,839,178,541.02
  5. Step 5: Solve for x
    x = 126,839,178,541.02/518,192.31
  6. Step 6: Final answer
    x = 244,772.40

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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.