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Finding the Fourth Proportional to 247,259.40, 370,727.10 and 97,409.40

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Solution

The fourth proportional to 247,259.40, 370,727.10 and 97,409.40 is: 146,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,259.40 : 370,727.10 = 97,409.40 : x
  2. Step 2: Convert to fraction form
    247,259.40/370,727.10 = 97,409.40/x
  3. Step 3: Cross multiply
    247,259.40x = 370,727.10 × 97,409.40
  4. Step 4: Simplify right side
    247,259.40x = 36,112,304,374.74
  5. Step 5: Solve for x
    x = 36,112,304,374.74/247,259.40
  6. Step 6: Final answer
    x = 146,050.28

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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.