Home / 320,198.48-441,875.28-175,007.20

Finding the Fourth Proportional to 320,198.48, 441,875.28 and 175,007.20

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Solution

The fourth proportional to 320,198.48, 441,875.28 and 175,007.20 is: 241,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,198.48 : 441,875.28 = 175,007.20 : x
  2. Step 2: Convert to fraction form
    320,198.48/441,875.28 = 175,007.20/x
  3. Step 3: Cross multiply
    320,198.48x = 441,875.28 × 175,007.20
  4. Step 4: Simplify right side
    320,198.48x = 77,331,355,502.02
  5. Step 5: Solve for x
    x = 77,331,355,502.02/320,198.48
  6. Step 6: Final answer
    x = 241,510.69

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1.5x scale

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.