Home / 310,863.03-466,294.55-205,657.40

Finding the Fourth Proportional to 310,863.03, 466,294.55 and 205,657.40

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Solution

The fourth proportional to 310,863.03, 466,294.55 and 205,657.40 is: 308,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,863.03 : 466,294.55 = 205,657.40 : x
  2. Step 2: Convert to fraction form
    310,863.03/466,294.55 = 205,657.40/x
  3. Step 3: Cross multiply
    310,863.03x = 466,294.55 × 205,657.40
  4. Step 4: Simplify right side
    310,863.03x = 95,896,921,427.41
  5. Step 5: Solve for x
    x = 95,896,921,427.41/310,863.03
  6. Step 6: Final answer
    x = 308,486.09

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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.