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Finding the Fourth Proportional to 316,665.72, 474,585.48 and 241,510.68

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Solution

The fourth proportional to 316,665.72, 474,585.48 and 241,510.68 is: 361,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,665.72 : 474,585.48 = 241,510.68 : x
  2. Step 2: Convert to fraction form
    316,665.72/474,585.48 = 241,510.68/x
  3. Step 3: Cross multiply
    316,665.72x = 474,585.48 × 241,510.68
  4. Step 4: Simplify right side
    316,665.72x = 114,617,461,992.93
  5. Step 5: Solve for x
    x = 114,617,461,992.93/316,665.72
  6. Step 6: Final answer
    x = 361,950.96

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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.