Home / 329,239.32-493,632.05-129,582.63

Finding the Fourth Proportional to 329,239.32, 493,632.05 and 129,582.63

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Solution

The fourth proportional to 329,239.32, 493,632.05 and 129,582.63 is: 194,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,239.32 : 493,632.05 = 129,582.63 : x
  2. Step 2: Convert to fraction form
    329,239.32/493,632.05 = 129,582.63/x
  3. Step 3: Cross multiply
    329,239.32x = 493,632.05 × 129,582.63
  4. Step 4: Simplify right side
    329,239.32x = 63,966,138,643.38
  5. Step 5: Solve for x
    x = 63,966,138,643.38/329,239.32
  6. Step 6: Final answer
    x = 194,284.63

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1.5x scale

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.