Home / 226,374.36-312,328.49-135,697.24

Finding the Fourth Proportional to 226,374.36, 312,328.49 and 135,697.24

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Solution

The fourth proportional to 226,374.36, 312,328.49 and 135,697.24 is: 187,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,374.36 : 312,328.49 = 135,697.24 : x
  2. Step 2: Convert to fraction form
    226,374.36/312,328.49 = 135,697.24/x
  3. Step 3: Cross multiply
    226,374.36x = 312,328.49 × 135,697.24
  4. Step 4: Simplify right side
    226,374.36x = 42,382,113,778.29
  5. Step 5: Solve for x
    x = 42,382,113,778.29/226,374.36
  6. Step 6: Final answer
    x = 187,221.35

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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.