Home / 268,641.15-370,722.09-147,782.58

Finding the Fourth Proportional to 268,641.15, 370,722.09 and 147,782.58

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Solution

The fourth proportional to 268,641.15, 370,722.09 and 147,782.58 is: 203,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,641.15 : 370,722.09 = 147,782.58 : x
  2. Step 2: Convert to fraction form
    268,641.15/370,722.09 = 147,782.58/x
  3. Step 3: Cross multiply
    268,641.15x = 370,722.09 × 147,782.58
  4. Step 4: Simplify right side
    268,641.15x = 54,786,266,923.19
  5. Step 5: Solve for x
    x = 54,786,266,923.19/268,641.15
  6. Step 6: Final answer
    x = 203,938.48

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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.