Home / 283,632.90-391,431.88-162,813.30

Finding the Fourth Proportional to 283,632.90, 391,431.88 and 162,813.30

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Solution

The fourth proportional to 283,632.90, 391,431.88 and 162,813.30 is: 224,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,632.90 : 391,431.88 = 162,813.30 : x
  2. Step 2: Convert to fraction form
    283,632.90/391,431.88 = 162,813.30/x
  3. Step 3: Cross multiply
    283,632.90x = 391,431.88 × 162,813.30
  4. Step 4: Simplify right side
    283,632.90x = 63,730,316,108.00
  5. Step 5: Solve for x
    x = 63,730,316,108.00/283,632.90
  6. Step 6: Final answer
    x = 224,692.96

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1.5x scale

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.