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Finding the Fourth Proportional to 107,482.30, 161,220.70 and 28,597.20

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Solution

The fourth proportional to 107,482.30, 161,220.70 and 28,597.20 is: 42,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,482.30 : 161,220.70 = 28,597.20 : x
  2. Step 2: Convert to fraction form
    107,482.30/161,220.70 = 28,597.20/x
  3. Step 3: Cross multiply
    107,482.30x = 161,220.70 × 28,597.20
  4. Step 4: Simplify right side
    107,482.30x = 4,610,460,602.04
  5. Step 5: Solve for x
    x = 4,610,460,602.04/107,482.30
  6. Step 6: Final answer
    x = 42,895.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.