Home / 320,315.28-442,036.49-175,124.13

Finding the Fourth Proportional to 320,315.28, 442,036.49 and 175,124.13

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Solution

The fourth proportional to 320,315.28, 442,036.49 and 175,124.13 is: 241,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,315.28 : 442,036.49 = 175,124.13 : x
  2. Step 2: Convert to fraction form
    320,315.28/442,036.49 = 175,124.13/x
  3. Step 3: Cross multiply
    320,315.28x = 442,036.49 × 175,124.13
  4. Step 4: Simplify right side
    320,315.28x = 77,411,254,863.88
  5. Step 5: Solve for x
    x = 77,411,254,863.88/320,315.28
  6. Step 6: Final answer
    x = 241,672.06

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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.