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Finding the Fourth Proportional to 247,185, 370,557.59 and 89,378.37

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Solution

The fourth proportional to 247,185, 370,557.59 and 89,378.37 is: 133,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,185 : 370,557.59 = 89,378.37 : x
  2. Step 2: Convert to fraction form
    247,185/370,557.59 = 89,378.37/x
  3. Step 3: Cross multiply
    247,185x = 370,557.59 × 89,378.37
  4. Step 4: Simplify right side
    247,185x = 33,119,832,938.44
  5. Step 5: Solve for x
    x = 33,119,832,938.44/247,185
  6. Step 6: Final answer
    x = 133,988.04

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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.