Home / 268,267.86-370,209.51-147,408.96

Finding the Fourth Proportional to 268,267.86, 370,209.51 and 147,408.96

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Solution

The fourth proportional to 268,267.86, 370,209.51 and 147,408.96 is: 203,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,267.86 : 370,209.51 = 147,408.96 : x
  2. Step 2: Convert to fraction form
    268,267.86/370,209.51 = 147,408.96/x
  3. Step 3: Cross multiply
    268,267.86x = 370,209.51 × 147,408.96
  4. Step 4: Simplify right side
    268,267.86x = 54,572,198,851.21
  5. Step 5: Solve for x
    x = 54,572,198,851.21/268,267.86
  6. Step 6: Final answer
    x = 203,424.29

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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.