Home / 238,975.32-358,514.88-72,759

Finding the Fourth Proportional to 238,975.32, 358,514.88 and 72,759

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Solution

The fourth proportional to 238,975.32, 358,514.88 and 72,759 is: 109,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,975.32 : 358,514.88 = 72,759 : x
  2. Step 2: Convert to fraction form
    238,975.32/358,514.88 = 72,759/x
  3. Step 3: Cross multiply
    238,975.32x = 358,514.88 × 72,759
  4. Step 4: Simplify right side
    238,975.32x = 26,085,184,153.92
  5. Step 5: Solve for x
    x = 26,085,184,153.92/238,975.32
  6. Step 6: Final answer
    x = 109,154.30

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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.