Home / 353,316.80-487,532.95-238,844.52

Finding the Fourth Proportional to 353,316.80, 487,532.95 and 238,844.52

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Solution

The fourth proportional to 353,316.80, 487,532.95 and 238,844.52 is: 329,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,316.80 : 487,532.95 = 238,844.52 : x
  2. Step 2: Convert to fraction form
    353,316.80/487,532.95 = 238,844.52/x
  3. Step 3: Cross multiply
    353,316.80x = 487,532.95 × 238,844.52
  4. Step 4: Simplify right side
    353,316.80x = 116,444,572,829.82
  5. Step 5: Solve for x
    x = 116,444,572,829.82/353,316.80
  6. Step 6: Final answer
    x = 329,575.53

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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.