Home / 268,319.12-370,280.12-147,468.16

Finding the Fourth Proportional to 268,319.12, 370,280.12 and 147,468.16

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Solution

The fourth proportional to 268,319.12, 370,280.12 and 147,468.16 is: 203,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,319.12 : 370,280.12 = 147,468.16 : x
  2. Step 2: Convert to fraction form
    268,319.12/370,280.12 = 147,468.16/x
  3. Step 3: Cross multiply
    268,319.12x = 370,280.12 × 147,468.16
  4. Step 4: Simplify right side
    268,319.12x = 54,604,527,980.98
  5. Step 5: Solve for x
    x = 54,604,527,980.98/268,319.12
  6. Step 6: Final answer
    x = 203,505.91

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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.