Home / 315,637.19-435,561.68-179,704.34

Finding the Fourth Proportional to 315,637.19, 435,561.68 and 179,704.34

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Solution

The fourth proportional to 315,637.19, 435,561.68 and 179,704.34 is: 247,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,637.19 : 435,561.68 = 179,704.34 : x
  2. Step 2: Convert to fraction form
    315,637.19/435,561.68 = 179,704.34/x
  3. Step 3: Cross multiply
    315,637.19x = 435,561.68 × 179,704.34
  4. Step 4: Simplify right side
    315,637.19x = 78,272,323,335.17
  5. Step 5: Solve for x
    x = 78,272,323,335.17/315,637.19
  6. Step 6: Final answer
    x = 247,981.94

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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.