Home / 320,655.95-442,498.37-175,461.13

Finding the Fourth Proportional to 320,655.95, 442,498.37 and 175,461.13

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Solution

The fourth proportional to 320,655.95, 442,498.37 and 175,461.13 is: 242,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,655.95 : 442,498.37 = 175,461.13 : x
  2. Step 2: Convert to fraction form
    320,655.95/442,498.37 = 175,461.13/x
  3. Step 3: Cross multiply
    320,655.95x = 442,498.37 × 175,461.13
  4. Step 4: Simplify right side
    320,655.95x = 77,641,264,023.36
  5. Step 5: Solve for x
    x = 77,641,264,023.36/320,655.95
  6. Step 6: Final answer
    x = 242,132.62

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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.