Home / 380,973.60-571,703.40-181,519.20

Finding the Fourth Proportional to 380,973.60, 571,703.40 and 181,519.20

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Solution

The fourth proportional to 380,973.60, 571,703.40 and 181,519.20 is: 272,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,973.60 : 571,703.40 = 181,519.20 : x
  2. Step 2: Convert to fraction form
    380,973.60/571,703.40 = 181,519.20/x
  3. Step 3: Cross multiply
    380,973.60x = 571,703.40 × 181,519.20
  4. Step 4: Simplify right side
    380,973.60x = 103,775,143,805.28
  5. Step 5: Solve for x
    x = 103,775,143,805.28/380,973.60
  6. Step 6: Final answer
    x = 272,394.58

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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.