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Finding the Fourth Proportional to 360,008.20, 540,012.30 and 110,690.20

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Solution

The fourth proportional to 360,008.20, 540,012.30 and 110,690.20 is: 166,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,008.20 : 540,012.30 = 110,690.20 : x
  2. Step 2: Convert to fraction form
    360,008.20/540,012.30 = 110,690.20/x
  3. Step 3: Cross multiply
    360,008.20x = 540,012.30 × 110,690.20
  4. Step 4: Simplify right side
    360,008.20x = 59,774,069,489.46
  5. Step 5: Solve for x
    x = 59,774,069,489.46/360,008.20
  6. Step 6: Final answer
    x = 166,035.30

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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.