Home / 440,427.46-660,407.91-174,177.22

Finding the Fourth Proportional to 440,427.46, 660,407.91 and 174,177.22

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Solution

The fourth proportional to 440,427.46, 660,407.91 and 174,177.22 is: 261,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,427.46 : 660,407.91 = 174,177.22 : x
  2. Step 2: Convert to fraction form
    440,427.46/660,407.91 = 174,177.22/x
  3. Step 3: Cross multiply
    440,427.46x = 660,407.91 × 174,177.22
  4. Step 4: Simplify right side
    440,427.46x = 115,028,013,829.81
  5. Step 5: Solve for x
    x = 115,028,013,829.81/440,427.46
  6. Step 6: Final answer
    x = 261,173.57

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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.