Home / 430,119.92-593,531.72-239,121.68

Finding the Fourth Proportional to 430,119.92, 593,531.72 and 239,121.68

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Solution

The fourth proportional to 430,119.92, 593,531.72 and 239,121.68 is: 329,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,119.92 : 593,531.72 = 239,121.68 : x
  2. Step 2: Convert to fraction form
    430,119.92/593,531.72 = 239,121.68/x
  3. Step 3: Cross multiply
    430,119.92x = 593,531.72 × 239,121.68
  4. Step 4: Simplify right side
    430,119.92x = 141,926,302,019.69
  5. Step 5: Solve for x
    x = 141,926,302,019.69/430,119.92
  6. Step 6: Final answer
    x = 329,969.14

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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.