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Finding the Fourth Proportional to 310,473.39, 465,378.53 and 177,066.39

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Solution

The fourth proportional to 310,473.39, 465,378.53 and 177,066.39 is: 265,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,473.39 : 465,378.53 = 177,066.39 : x
  2. Step 2: Convert to fraction form
    310,473.39/465,378.53 = 177,066.39/x
  3. Step 3: Cross multiply
    310,473.39x = 465,378.53 × 177,066.39
  4. Step 4: Simplify right side
    310,473.39x = 82,402,895,405.27
  5. Step 5: Solve for x
    x = 82,402,895,405.27/310,473.39
  6. Step 6: Final answer
    x = 265,410.49

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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.