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Finding the Fourth Proportional to 247,204.80, 370,807.20 and 242,830.80

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Solution

The fourth proportional to 247,204.80, 370,807.20 and 242,830.80 is: 364,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,204.80 : 370,807.20 = 242,830.80 : x
  2. Step 2: Convert to fraction form
    247,204.80/370,807.20 = 242,830.80/x
  3. Step 3: Cross multiply
    247,204.80x = 370,807.20 × 242,830.80
  4. Step 4: Simplify right side
    247,204.80x = 90,043,409,021.76
  5. Step 5: Solve for x
    x = 90,043,409,021.76/247,204.80
  6. Step 6: Final answer
    x = 364,246.20

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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.