Home / 303,273.10-454,909.65-145,420.30

Finding the Fourth Proportional to 303,273.10, 454,909.65 and 145,420.30

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Solution

The fourth proportional to 303,273.10, 454,909.65 and 145,420.30 is: 218,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,273.10 : 454,909.65 = 145,420.30 : x
  2. Step 2: Convert to fraction form
    303,273.10/454,909.65 = 145,420.30/x
  3. Step 3: Cross multiply
    303,273.10x = 454,909.65 × 145,420.30
  4. Step 4: Simplify right side
    303,273.10x = 66,153,097,775.90
  5. Step 5: Solve for x
    x = 66,153,097,775.90/303,273.10
  6. Step 6: Final answer
    x = 218,130.45

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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.