Home / 305,398.08-458,126.28-94,979.52

Finding the Fourth Proportional to 305,398.08, 458,126.28 and 94,979.52

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Solution

The fourth proportional to 305,398.08, 458,126.28 and 94,979.52 is: 142,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,398.08 : 458,126.28 = 94,979.52 : x
  2. Step 2: Convert to fraction form
    305,398.08/458,126.28 = 94,979.52/x
  3. Step 3: Cross multiply
    305,398.08x = 458,126.28 × 94,979.52
  4. Step 4: Simplify right side
    305,398.08x = 43,512,614,173.79
  5. Step 5: Solve for x
    x = 43,512,614,173.79/305,398.08
  6. Step 6: Final answer
    x = 142,478.35

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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.