Home / 628,475.56-942,715.24-155,160.96

Finding the Fourth Proportional to 628,475.56, 942,715.24 and 155,160.96

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Solution

The fourth proportional to 628,475.56, 942,715.24 and 155,160.96 is: 232,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,475.56 : 942,715.24 = 155,160.96 : x
  2. Step 2: Convert to fraction form
    628,475.56/942,715.24 = 155,160.96/x
  3. Step 3: Cross multiply
    628,475.56x = 942,715.24 × 155,160.96
  4. Step 4: Simplify right side
    628,475.56x = 146,272,601,645.03
  5. Step 5: Solve for x
    x = 146,272,601,645.03/628,475.56
  6. Step 6: Final answer
    x = 232,741.91

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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.