Home / 282,723.12-423,768.64-122,614.20

Finding the Fourth Proportional to 282,723.12, 423,768.64 and 122,614.20

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Solution

The fourth proportional to 282,723.12, 423,768.64 and 122,614.20 is: 183,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,723.12 : 423,768.64 = 122,614.20 : x
  2. Step 2: Convert to fraction form
    282,723.12/423,768.64 = 122,614.20/x
  3. Step 3: Cross multiply
    282,723.12x = 423,768.64 × 122,614.20
  4. Step 4: Simplify right side
    282,723.12x = 51,960,052,778.69
  5. Step 5: Solve for x
    x = 51,960,052,778.69/282,723.12
  6. Step 6: Final answer
    x = 183,784.24

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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.