Home / 380,671.74-571,008.03-114,432.23

Finding the Fourth Proportional to 380,671.74, 571,008.03 and 114,432.23

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Solution

The fourth proportional to 380,671.74, 571,008.03 and 114,432.23 is: 171,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,671.74 : 571,008.03 = 114,432.23 : x
  2. Step 2: Convert to fraction form
    380,671.74/571,008.03 = 114,432.23/x
  3. Step 3: Cross multiply
    380,671.74x = 571,008.03 × 114,432.23
  4. Step 4: Simplify right side
    380,671.74x = 65,341,719,365.77
  5. Step 5: Solve for x
    x = 65,341,719,365.77/380,671.74
  6. Step 6: Final answer
    x = 171,648.46

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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.