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Finding the Fourth Proportional to 360,973.60, 540,877.20 and 227,615.20

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Solution

The fourth proportional to 360,973.60, 540,877.20 and 227,615.20 is: 341,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,973.60 : 540,877.20 = 227,615.20 : x
  2. Step 2: Convert to fraction form
    360,973.60/540,877.20 = 227,615.20/x
  3. Step 3: Cross multiply
    360,973.60x = 540,877.20 × 227,615.20
  4. Step 4: Simplify right side
    360,973.60x = 123,111,872,053.44
  5. Step 5: Solve for x
    x = 123,111,872,053.44/360,973.60
  6. Step 6: Final answer
    x = 341,055.06

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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.