Home / 245,267.28-338,499.09-137,835

Finding the Fourth Proportional to 245,267.28, 338,499.09 and 137,835

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Solution

The fourth proportional to 245,267.28, 338,499.09 and 137,835 is: 190,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,267.28 : 338,499.09 = 137,835 : x
  2. Step 2: Convert to fraction form
    245,267.28/338,499.09 = 137,835/x
  3. Step 3: Cross multiply
    245,267.28x = 338,499.09 × 137,835
  4. Step 4: Simplify right side
    245,267.28x = 46,657,022,070.15
  5. Step 5: Solve for x
    x = 46,657,022,070.15/245,267.28
  6. Step 6: Final answer
    x = 190,229.30

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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.