Home / 268,141.86-370,038.78-147,285.95

Finding the Fourth Proportional to 268,141.86, 370,038.78 and 147,285.95

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Solution

The fourth proportional to 268,141.86, 370,038.78 and 147,285.95 is: 203,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,141.86 : 370,038.78 = 147,285.95 : x
  2. Step 2: Convert to fraction form
    268,141.86/370,038.78 = 147,285.95/x
  3. Step 3: Cross multiply
    268,141.86x = 370,038.78 × 147,285.95
  4. Step 4: Simplify right side
    268,141.86x = 54,501,511,398.95
  5. Step 5: Solve for x
    x = 54,501,511,398.95/268,141.86
  6. Step 6: Final answer
    x = 203,256.26

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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.