Home / 226,305.40-312,357.56-130,798.30

Finding the Fourth Proportional to 226,305.40, 312,357.56 and 130,798.30

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Solution

The fourth proportional to 226,305.40, 312,357.56 and 130,798.30 is: 180,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,305.40 : 312,357.56 = 130,798.30 : x
  2. Step 2: Convert to fraction form
    226,305.40/312,357.56 = 130,798.30/x
  3. Step 3: Cross multiply
    226,305.40x = 312,357.56 × 130,798.30
  4. Step 4: Simplify right side
    226,305.40x = 40,855,837,840.15
  5. Step 5: Solve for x
    x = 40,855,837,840.15/226,305.40
  6. Step 6: Final answer
    x = 180,534.08

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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.