Home / 380,979.24-571,731.32-170,852.28

Finding the Fourth Proportional to 380,979.24, 571,731.32 and 170,852.28

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Solution

The fourth proportional to 380,979.24, 571,731.32 and 170,852.28 is: 256,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,979.24 : 571,731.32 = 170,852.28 : x
  2. Step 2: Convert to fraction form
    380,979.24/571,731.32 = 170,852.28/x
  3. Step 3: Cross multiply
    380,979.24x = 571,731.32 × 170,852.28
  4. Step 4: Simplify right side
    380,979.24x = 97,681,599,569.41
  5. Step 5: Solve for x
    x = 97,681,599,569.41/380,979.24
  6. Step 6: Final answer
    x = 256,396.12

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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.