Home / 382,316.08-527,742.48-254,945.20

Finding the Fourth Proportional to 382,316.08, 527,742.48 and 254,945.20

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Solution

The fourth proportional to 382,316.08, 527,742.48 and 254,945.20 is: 351,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,316.08 : 527,742.48 = 254,945.20 : x
  2. Step 2: Convert to fraction form
    382,316.08/527,742.48 = 254,945.20/x
  3. Step 3: Cross multiply
    382,316.08x = 527,742.48 × 254,945.20
  4. Step 4: Simplify right side
    382,316.08x = 134,545,412,112.10
  5. Step 5: Solve for x
    x = 134,545,412,112.10/382,316.08
  6. Step 6: Final answer
    x = 351,921.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.