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Finding the Fourth Proportional to 242,534.90, 363,802.35 and 183,485.90

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Solution

The fourth proportional to 242,534.90, 363,802.35 and 183,485.90 is: 275,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,534.90 : 363,802.35 = 183,485.90 : x
  2. Step 2: Convert to fraction form
    242,534.90/363,802.35 = 183,485.90/x
  3. Step 3: Cross multiply
    242,534.90x = 363,802.35 × 183,485.90
  4. Step 4: Simplify right side
    242,534.90x = 66,752,601,611.87
  5. Step 5: Solve for x
    x = 66,752,601,611.87/242,534.90
  6. Step 6: Final answer
    x = 275,228.85

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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.