Home / 316,320.80-473,905.20-149,741.60

Finding the Fourth Proportional to 316,320.80, 473,905.20 and 149,741.60

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Solution

The fourth proportional to 316,320.80, 473,905.20 and 149,741.60 is: 224,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,320.80 : 473,905.20 = 149,741.60 : x
  2. Step 2: Convert to fraction form
    316,320.80/473,905.20 = 149,741.60/x
  3. Step 3: Cross multiply
    316,320.80x = 473,905.20 × 149,741.60
  4. Step 4: Simplify right side
    316,320.80x = 70,963,322,896.32
  5. Step 5: Solve for x
    x = 70,963,322,896.32/316,320.80
  6. Step 6: Final answer
    x = 224,339.73

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1.5x scale

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.