Home / 386,320.06-579,430.86-149,500.72

Finding the Fourth Proportional to 386,320.06, 579,430.86 and 149,500.72

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Solution

The fourth proportional to 386,320.06, 579,430.86 and 149,500.72 is: 224,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,320.06 : 579,430.86 = 149,500.72 : x
  2. Step 2: Convert to fraction form
    386,320.06/579,430.86 = 149,500.72/x
  3. Step 3: Cross multiply
    386,320.06x = 579,430.86 × 149,500.72
  4. Step 4: Simplify right side
    386,320.06x = 86,625,330,760.22
  5. Step 5: Solve for x
    x = 86,625,330,760.22/386,320.06
  6. Step 6: Final answer
    x = 224,232.03

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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.