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Finding the Fourth Proportional to 242,958.58, 364,543.11 and 130,507.58

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Solution

The fourth proportional to 242,958.58, 364,543.11 and 130,507.58 is: 195,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,958.58 : 364,543.11 = 130,507.58 : x
  2. Step 2: Convert to fraction form
    242,958.58/364,543.11 = 130,507.58/x
  3. Step 3: Cross multiply
    242,958.58x = 364,543.11 × 130,507.58
  4. Step 4: Simplify right side
    242,958.58x = 47,575,640,492.54
  5. Step 5: Solve for x
    x = 47,575,640,492.54/242,958.58
  6. Step 6: Final answer
    x = 195,817.91

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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.