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Finding the Fourth Proportional to 243,262.08, 364,890.60 and 77,050.08

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Solution

The fourth proportional to 243,262.08, 364,890.60 and 77,050.08 is: 115,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,262.08 : 364,890.60 = 77,050.08 : x
  2. Step 2: Convert to fraction form
    243,262.08/364,890.60 = 77,050.08/x
  3. Step 3: Cross multiply
    243,262.08x = 364,890.60 × 77,050.08
  4. Step 4: Simplify right side
    243,262.08x = 28,114,849,921.25
  5. Step 5: Solve for x
    x = 28,114,849,921.25/243,262.08
  6. Step 6: Final answer
    x = 115,574.32

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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.