Home / 309,225.40-464,010.90-131,702.20

Finding the Fourth Proportional to 309,225.40, 464,010.90 and 131,702.20

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Solution

The fourth proportional to 309,225.40, 464,010.90 and 131,702.20 is: 197,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,225.40 : 464,010.90 = 131,702.20 : x
  2. Step 2: Convert to fraction form
    309,225.40/464,010.90 = 131,702.20/x
  3. Step 3: Cross multiply
    309,225.40x = 464,010.90 × 131,702.20
  4. Step 4: Simplify right side
    309,225.40x = 61,111,256,353.98
  5. Step 5: Solve for x
    x = 61,111,256,353.98/309,225.40
  6. Step 6: Final answer
    x = 197,626.90

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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.