Home / 268,404.84-370,406.97-147,555.36

Finding the Fourth Proportional to 268,404.84, 370,406.97 and 147,555.36

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Solution

The fourth proportional to 268,404.84, 370,406.97 and 147,555.36 is: 203,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,404.84 : 370,406.97 = 147,555.36 : x
  2. Step 2: Convert to fraction form
    268,404.84/370,406.97 = 147,555.36/x
  3. Step 3: Cross multiply
    268,404.84x = 370,406.97 × 147,555.36
  4. Step 4: Simplify right side
    268,404.84x = 54,655,533,804.86
  5. Step 5: Solve for x
    x = 54,655,533,804.86/268,404.84
  6. Step 6: Final answer
    x = 203,630.95

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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.