Home / 246,935.34-340,762.77-138,036.78

Finding the Fourth Proportional to 246,935.34, 340,762.77 and 138,036.78

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Solution

The fourth proportional to 246,935.34, 340,762.77 and 138,036.78 is: 190,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,935.34 : 340,762.77 = 138,036.78 : x
  2. Step 2: Convert to fraction form
    246,935.34/340,762.77 = 138,036.78/x
  3. Step 3: Cross multiply
    246,935.34x = 340,762.77 × 138,036.78
  4. Step 4: Simplify right side
    246,935.34x = 47,037,795,514.68
  5. Step 5: Solve for x
    x = 47,037,795,514.68/246,935.34
  6. Step 6: Final answer
    x = 190,486.28

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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.