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Finding the Fourth Proportional to 247,402.60, 370,812.30 and 185,000.20

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Solution

The fourth proportional to 247,402.60, 370,812.30 and 185,000.20 is: 277,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,402.60 : 370,812.30 = 185,000.20 : x
  2. Step 2: Convert to fraction form
    247,402.60/370,812.30 = 185,000.20/x
  3. Step 3: Cross multiply
    247,402.60x = 370,812.30 × 185,000.20
  4. Step 4: Simplify right side
    247,402.60x = 68,600,349,662.46
  5. Step 5: Solve for x
    x = 68,600,349,662.46/247,402.60
  6. Step 6: Final answer
    x = 277,282.25

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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.