Home / 246,985.26-370,439.10-78,483.40

Finding the Fourth Proportional to 246,985.26, 370,439.10 and 78,483.40

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Solution

The fourth proportional to 246,985.26, 370,439.10 and 78,483.40 is: 117,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,985.26 : 370,439.10 = 78,483.40 : x
  2. Step 2: Convert to fraction form
    246,985.26/370,439.10 = 78,483.40/x
  3. Step 3: Cross multiply
    246,985.26x = 370,439.10 × 78,483.40
  4. Step 4: Simplify right side
    246,985.26x = 29,073,320,060.94
  5. Step 5: Solve for x
    x = 29,073,320,060.94/246,985.26
  6. Step 6: Final answer
    x = 117,712.77

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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.