Home / 409,211.40-564,740.11-248,073.24

Finding the Fourth Proportional to 409,211.40, 564,740.11 and 248,073.24

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Solution

The fourth proportional to 409,211.40, 564,740.11 and 248,073.24 is: 342,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,211.40 : 564,740.11 = 248,073.24 : x
  2. Step 2: Convert to fraction form
    409,211.40/564,740.11 = 248,073.24/x
  3. Step 3: Cross multiply
    409,211.40x = 564,740.11 × 248,073.24
  4. Step 4: Simplify right side
    409,211.40x = 140,096,908,845.66
  5. Step 5: Solve for x
    x = 140,096,908,845.66/409,211.40
  6. Step 6: Final answer
    x = 342,358.27

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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.