Home / 291,325.13-402,048.89-176,608.61

Finding the Fourth Proportional to 291,325.13, 402,048.89 and 176,608.61

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Solution

The fourth proportional to 291,325.13, 402,048.89 and 176,608.61 is: 243,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,325.13 : 402,048.89 = 176,608.61 : x
  2. Step 2: Convert to fraction form
    291,325.13/402,048.89 = 176,608.61/x
  3. Step 3: Cross multiply
    291,325.13x = 402,048.89 × 176,608.61
  4. Step 4: Simplify right side
    291,325.13x = 71,005,295,614.94
  5. Step 5: Solve for x
    x = 71,005,295,614.94/291,325.13
  6. Step 6: Final answer
    x = 243,732.13

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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.