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Finding the Fourth Proportional to 360,060.10, 540,090.15 and 123,405.10

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Solution

The fourth proportional to 360,060.10, 540,090.15 and 123,405.10 is: 185,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,060.10 : 540,090.15 = 123,405.10 : x
  2. Step 2: Convert to fraction form
    360,060.10/540,090.15 = 123,405.10/x
  3. Step 3: Cross multiply
    360,060.10x = 540,090.15 × 123,405.10
  4. Step 4: Simplify right side
    360,060.10x = 66,649,878,969.77
  5. Step 5: Solve for x
    x = 66,649,878,969.77/360,060.10
  6. Step 6: Final answer
    x = 185,107.65

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1.5x scale

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.