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Finding the Fourth Proportional to 246,681, 340,422.30 and 133,506.18

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Solution

The fourth proportional to 246,681, 340,422.30 and 133,506.18 is: 184,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,681 : 340,422.30 = 133,506.18 : x
  2. Step 2: Convert to fraction form
    246,681/340,422.30 = 133,506.18/x
  3. Step 3: Cross multiply
    246,681x = 340,422.30 × 133,506.18
  4. Step 4: Simplify right side
    246,681x = 45,448,480,859.81
  5. Step 5: Solve for x
    x = 45,448,480,859.81/246,681
  6. Step 6: Final answer
    x = 184,239.89

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1.5x scale

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.