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Finding the Fourth Proportional to 242,600.10, 363,900.15 and 186,548.10

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Solution

The fourth proportional to 242,600.10, 363,900.15 and 186,548.10 is: 279,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,600.10 : 363,900.15 = 186,548.10 : x
  2. Step 2: Convert to fraction form
    242,600.10/363,900.15 = 186,548.10/x
  3. Step 3: Cross multiply
    242,600.10x = 363,900.15 × 186,548.10
  4. Step 4: Simplify right side
    242,600.10x = 67,884,881,572.22
  5. Step 5: Solve for x
    x = 67,884,881,572.22/242,600.10
  6. Step 6: Final answer
    x = 279,822.15

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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.