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Finding the Fourth Proportional to 514,973.10, 773,152.20 and 301,959.30

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Solution

The fourth proportional to 514,973.10, 773,152.20 and 301,959.30 is: 453,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,973.10 : 773,152.20 = 301,959.30 : x
  2. Step 2: Convert to fraction form
    514,973.10/773,152.20 = 301,959.30/x
  3. Step 3: Cross multiply
    514,973.10x = 773,152.20 × 301,959.30
  4. Step 4: Simplify right side
    514,973.10x = 233,460,497,105.46
  5. Step 5: Solve for x
    x = 233,460,497,105.46/514,973.10
  6. Step 6: Final answer
    x = 453,345.03

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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.