Home / 354,981.20-531,224.98-305,657.06

Finding the Fourth Proportional to 354,981.20, 531,224.98 and 305,657.06

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Solution

The fourth proportional to 354,981.20, 531,224.98 and 305,657.06 is: 457,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,981.20 : 531,224.98 = 305,657.06 : x
  2. Step 2: Convert to fraction form
    354,981.20/531,224.98 = 305,657.06/x
  3. Step 3: Cross multiply
    354,981.20x = 531,224.98 × 305,657.06
  4. Step 4: Simplify right side
    354,981.20x = 162,372,665,585.36
  5. Step 5: Solve for x
    x = 162,372,665,585.36/354,981.20
  6. Step 6: Final answer
    x = 457,412.01

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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.