Home / 240,207.53-331,271.66-199,306.89

Finding the Fourth Proportional to 240,207.53, 331,271.66 and 199,306.89

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Solution

The fourth proportional to 240,207.53, 331,271.66 and 199,306.89 is: 274,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,207.53 : 331,271.66 = 199,306.89 : x
  2. Step 2: Convert to fraction form
    240,207.53/331,271.66 = 199,306.89/x
  3. Step 3: Cross multiply
    240,207.53x = 331,271.66 × 199,306.89
  4. Step 4: Simplify right side
    240,207.53x = 66,024,724,798.00
  5. Step 5: Solve for x
    x = 66,024,724,798.00/240,207.53
  6. Step 6: Final answer
    x = 274,865.35

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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.