Home / 342,921.05-473,210.80-187,841.50

Finding the Fourth Proportional to 342,921.05, 473,210.80 and 187,841.50

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Solution

The fourth proportional to 342,921.05, 473,210.80 and 187,841.50 is: 259,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,921.05 : 473,210.80 = 187,841.50 : x
  2. Step 2: Convert to fraction form
    342,921.05/473,210.80 = 187,841.50/x
  3. Step 3: Cross multiply
    342,921.05x = 473,210.80 × 187,841.50
  4. Step 4: Simplify right side
    342,921.05x = 88,888,623,182.94
  5. Step 5: Solve for x
    x = 88,888,623,182.94/342,921.05
  6. Step 6: Final answer
    x = 259,210.17

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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.