Home / 371,829.70-513,124.98-202,063.83

Finding the Fourth Proportional to 371,829.70, 513,124.98 and 202,063.83

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Solution

The fourth proportional to 371,829.70, 513,124.98 and 202,063.83 is: 278,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,829.70 : 513,124.98 = 202,063.83 : x
  2. Step 2: Convert to fraction form
    371,829.70/513,124.98 = 202,063.83/x
  3. Step 3: Cross multiply
    371,829.70x = 513,124.98 × 202,063.83
  4. Step 4: Simplify right side
    371,829.70x = 103,683,998,727.47
  5. Step 5: Solve for x
    x = 103,683,998,727.47/371,829.70
  6. Step 6: Final answer
    x = 278,848.08

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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.