Home / 315,738.85-473,277.46-147,120.16

Finding the Fourth Proportional to 315,738.85, 473,277.46 and 147,120.16

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Solution

The fourth proportional to 315,738.85, 473,277.46 and 147,120.16 is: 220,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,738.85 : 473,277.46 = 147,120.16 : x
  2. Step 2: Convert to fraction form
    315,738.85/473,277.46 = 147,120.16/x
  3. Step 3: Cross multiply
    315,738.85x = 473,277.46 × 147,120.16
  4. Step 4: Simplify right side
    315,738.85x = 69,628,655,639.59
  5. Step 5: Solve for x
    x = 69,628,655,639.59/315,738.85
  6. Step 6: Final answer
    x = 220,526.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.