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Finding the Fourth Proportional to 360,374.72, 540,611.74 and 123,686.64

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Solution

The fourth proportional to 360,374.72, 540,611.74 and 123,686.64 is: 185,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,374.72 : 540,611.74 = 123,686.64 : x
  2. Step 2: Convert to fraction form
    360,374.72/540,611.74 = 123,686.64/x
  3. Step 3: Cross multiply
    360,374.72x = 540,611.74 × 123,686.64
  4. Step 4: Simplify right side
    360,374.72x = 66,866,449,665.15
  5. Step 5: Solve for x
    x = 66,866,449,665.15/360,374.72
  6. Step 6: Final answer
    x = 185,547.00

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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.