Home / 221,432.10-332,148.15-190,328.10

Finding the Fourth Proportional to 221,432.10, 332,148.15 and 190,328.10

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Solution

The fourth proportional to 221,432.10, 332,148.15 and 190,328.10 is: 285,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,432.10 : 332,148.15 = 190,328.10 : x
  2. Step 2: Convert to fraction form
    221,432.10/332,148.15 = 190,328.10/x
  3. Step 3: Cross multiply
    221,432.10x = 332,148.15 × 190,328.10
  4. Step 4: Simplify right side
    221,432.10x = 63,217,126,308.02
  5. Step 5: Solve for x
    x = 63,217,126,308.02/221,432.10
  6. Step 6: Final answer
    x = 285,492.15

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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.