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Finding the Fourth Proportional to 335,165.80, 502,465.44 and 145,482.70

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Solution

The fourth proportional to 335,165.80, 502,465.44 and 145,482.70 is: 218,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,165.80 : 502,465.44 = 145,482.70 : x
  2. Step 2: Convert to fraction form
    335,165.80/502,465.44 = 145,482.70/x
  3. Step 3: Cross multiply
    335,165.80x = 502,465.44 × 145,482.70
  4. Step 4: Simplify right side
    335,165.80x = 73,100,028,867.89
  5. Step 5: Solve for x
    x = 73,100,028,867.89/335,165.80
  6. Step 6: Final answer
    x = 218,101.10

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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.