Home / 245,154.80-337,531.56-209,200.52

Finding the Fourth Proportional to 245,154.80, 337,531.56 and 209,200.52

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Solution

The fourth proportional to 245,154.80, 337,531.56 and 209,200.52 is: 288,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,154.80 : 337,531.56 = 209,200.52 : x
  2. Step 2: Convert to fraction form
    245,154.80/337,531.56 = 209,200.52/x
  3. Step 3: Cross multiply
    245,154.80x = 337,531.56 × 209,200.52
  4. Step 4: Simplify right side
    245,154.80x = 70,611,777,927.74
  5. Step 5: Solve for x
    x = 70,611,777,927.74/245,154.80
  6. Step 6: Final answer
    x = 288,029.35

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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.