Home / 291,377.18-402,119.03-176,666.81

Finding the Fourth Proportional to 291,377.18, 402,119.03 and 176,666.81

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Solution

The fourth proportional to 291,377.18, 402,119.03 and 176,666.81 is: 243,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,377.18 : 402,119.03 = 176,666.81 : x
  2. Step 2: Convert to fraction form
    291,377.18/402,119.03 = 176,666.81/x
  3. Step 3: Cross multiply
    291,377.18x = 402,119.03 × 176,666.81
  4. Step 4: Simplify right side
    291,377.18x = 71,041,083,376.47
  5. Step 5: Solve for x
    x = 71,041,083,376.47/291,377.18
  6. Step 6: Final answer
    x = 243,811.42

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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.