Home / 315,869.17-473,733.99-91,180.78

Finding the Fourth Proportional to 315,869.17, 473,733.99 and 91,180.78

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Solution

The fourth proportional to 315,869.17, 473,733.99 and 91,180.78 is: 136,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,869.17 : 473,733.99 = 91,180.78 : x
  2. Step 2: Convert to fraction form
    315,869.17/473,733.99 = 91,180.78/x
  3. Step 3: Cross multiply
    315,869.17x = 473,733.99 × 91,180.78
  4. Step 4: Simplify right side
    315,869.17x = 43,195,434,720.71
  5. Step 5: Solve for x
    x = 43,195,434,720.71/315,869.17
  6. Step 6: Final answer
    x = 136,751.03

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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.