Home / 245,415.34-338,534.85-147,273.18

Finding the Fourth Proportional to 245,415.34, 338,534.85 and 147,273.18

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Solution

The fourth proportional to 245,415.34, 338,534.85 and 147,273.18 is: 203,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,415.34 : 338,534.85 = 147,273.18 : x
  2. Step 2: Convert to fraction form
    245,415.34/338,534.85 = 147,273.18/x
  3. Step 3: Cross multiply
    245,415.34x = 338,534.85 × 147,273.18
  4. Step 4: Simplify right side
    245,415.34x = 49,857,103,900.32
  5. Step 5: Solve for x
    x = 49,857,103,900.32/245,415.34
  6. Step 6: Final answer
    x = 203,153.98

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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.