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Finding the Fourth Proportional to 242,323.60, 363,485.40 and 137,347.60

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Solution

The fourth proportional to 242,323.60, 363,485.40 and 137,347.60 is: 206,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,323.60 : 363,485.40 = 137,347.60 : x
  2. Step 2: Convert to fraction form
    242,323.60/363,485.40 = 137,347.60/x
  3. Step 3: Cross multiply
    242,323.60x = 363,485.40 × 137,347.60
  4. Step 4: Simplify right side
    242,323.60x = 49,923,847,325.04
  5. Step 5: Solve for x
    x = 49,923,847,325.04/242,323.60
  6. Step 6: Final answer
    x = 206,021.40

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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.