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Finding the Fourth Proportional to 630,666.63, 945,437.52 and 231,214.32

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Solution

The fourth proportional to 630,666.63, 945,437.52 and 231,214.32 is: 346,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,666.63 : 945,437.52 = 231,214.32 : x
  2. Step 2: Convert to fraction form
    630,666.63/945,437.52 = 231,214.32/x
  3. Step 3: Cross multiply
    630,666.63x = 945,437.52 × 231,214.32
  4. Step 4: Simplify right side
    630,666.63x = 218,598,693,289.29
  5. Step 5: Solve for x
    x = 218,598,693,289.29/630,666.63
  6. Step 6: Final answer
    x = 346,615.28

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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.