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Finding the Fourth Proportional to 464,567.66, 641,151.92 and 260,673.65

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Solution

The fourth proportional to 464,567.66, 641,151.92 and 260,673.65 is: 359,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,567.66 : 641,151.92 = 260,673.65 : x
  2. Step 2: Convert to fraction form
    464,567.66/641,151.92 = 260,673.65/x
  3. Step 3: Cross multiply
    464,567.66x = 641,151.92 × 260,673.65
  4. Step 4: Simplify right side
    464,567.66x = 167,131,411,190.91
  5. Step 5: Solve for x
    x = 167,131,411,190.91/464,567.66
  6. Step 6: Final answer
    x = 359,756.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.