Home / 246,432.42-340,129.80-155,730.78

Finding the Fourth Proportional to 246,432.42, 340,129.80 and 155,730.78

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Solution

The fourth proportional to 246,432.42, 340,129.80 and 155,730.78 is: 214,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,432.42 : 340,129.80 = 155,730.78 : x
  2. Step 2: Convert to fraction form
    246,432.42/340,129.80 = 155,730.78/x
  3. Step 3: Cross multiply
    246,432.42x = 340,129.80 × 155,730.78
  4. Step 4: Simplify right side
    246,432.42x = 52,968,679,055.24
  5. Step 5: Solve for x
    x = 52,968,679,055.24/246,432.42
  6. Step 6: Final answer
    x = 214,942.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.