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Finding the Fourth Proportional to 246,803.40, 370,205.10 and 141,535.80

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Solution

The fourth proportional to 246,803.40, 370,205.10 and 141,535.80 is: 212,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,803.40 : 370,205.10 = 141,535.80 : x
  2. Step 2: Convert to fraction form
    246,803.40/370,205.10 = 141,535.80/x
  3. Step 3: Cross multiply
    246,803.40x = 370,205.10 × 141,535.80
  4. Step 4: Simplify right side
    246,803.40x = 52,397,274,992.58
  5. Step 5: Solve for x
    x = 52,397,274,992.58/246,803.40
  6. Step 6: Final answer
    x = 212,303.70

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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.