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Finding the Fourth Proportional to 242,893.60, 364,150.80 and 154,130.56

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Solution

The fourth proportional to 242,893.60, 364,150.80 and 154,130.56 is: 231,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,893.60 : 364,150.80 = 154,130.56 : x
  2. Step 2: Convert to fraction form
    242,893.60/364,150.80 = 154,130.56/x
  3. Step 3: Cross multiply
    242,893.60x = 364,150.80 × 154,130.56
  4. Step 4: Simplify right side
    242,893.60x = 56,126,766,728.45
  5. Step 5: Solve for x
    x = 56,126,766,728.45/242,893.60
  6. Step 6: Final answer
    x = 231,075.53

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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.