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Finding the Fourth Proportional to 531,275.48, 796,678.72 and 152,110.16

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Solution

The fourth proportional to 531,275.48, 796,678.72 and 152,110.16 is: 228,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,275.48 : 796,678.72 = 152,110.16 : x
  2. Step 2: Convert to fraction form
    531,275.48/796,678.72 = 152,110.16/x
  3. Step 3: Cross multiply
    531,275.48x = 796,678.72 × 152,110.16
  4. Step 4: Simplify right side
    531,275.48x = 121,182,927,567.80
  5. Step 5: Solve for x
    x = 121,182,927,567.80/531,275.48
  6. Step 6: Final answer
    x = 228,098.10

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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.