Home / 253,560.04-380,570.46-135,332.20

Finding the Fourth Proportional to 253,560.04, 380,570.46 and 135,332.20

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Solution

The fourth proportional to 253,560.04, 380,570.46 and 135,332.20 is: 203,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,560.04 : 380,570.46 = 135,332.20 : x
  2. Step 2: Convert to fraction form
    253,560.04/380,570.46 = 135,332.20/x
  3. Step 3: Cross multiply
    253,560.04x = 380,570.46 × 135,332.20
  4. Step 4: Simplify right side
    253,560.04x = 51,503,437,606.81
  5. Step 5: Solve for x
    x = 51,503,437,606.81/253,560.04
  6. Step 6: Final answer
    x = 203,121.27

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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.