Home / 238,909.50-358,356.30-70,432.62

Finding the Fourth Proportional to 238,909.50, 358,356.30 and 70,432.62

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Solution

The fourth proportional to 238,909.50, 358,356.30 and 70,432.62 is: 105,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,909.50 : 358,356.30 = 70,432.62 : x
  2. Step 2: Convert to fraction form
    238,909.50/358,356.30 = 70,432.62/x
  3. Step 3: Cross multiply
    238,909.50x = 358,356.30 × 70,432.62
  4. Step 4: Simplify right side
    238,909.50x = 25,239,973,102.51
  5. Step 5: Solve for x
    x = 25,239,973,102.51/238,909.50
  6. Step 6: Final answer
    x = 105,646.59

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1.5x scale

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.