Home / 268,389.42-370,377.45-147,538.50

Finding the Fourth Proportional to 268,389.42, 370,377.45 and 147,538.50

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Solution

The fourth proportional to 268,389.42, 370,377.45 and 147,538.50 is: 203,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,389.42 : 370,377.45 = 147,538.50 : x
  2. Step 2: Convert to fraction form
    268,389.42/370,377.45 = 147,538.50/x
  3. Step 3: Cross multiply
    268,389.42x = 370,377.45 × 147,538.50
  4. Step 4: Simplify right side
    268,389.42x = 54,644,933,406.83
  5. Step 5: Solve for x
    x = 54,644,933,406.83/268,389.42
  6. Step 6: Final answer
    x = 203,603.16

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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.