Home / 226,235.15-312,208.39-124,264.91

Finding the Fourth Proportional to 226,235.15, 312,208.39 and 124,264.91

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Solution

The fourth proportional to 226,235.15, 312,208.39 and 124,264.91 is: 171,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,235.15 : 312,208.39 = 124,264.91 : x
  2. Step 2: Convert to fraction form
    226,235.15/312,208.39 = 124,264.91/x
  3. Step 3: Cross multiply
    226,235.15x = 312,208.39 × 124,264.91
  4. Step 4: Simplify right side
    226,235.15x = 38,796,547,484.59
  5. Step 5: Solve for x
    x = 38,796,547,484.59/226,235.15
  6. Step 6: Final answer
    x = 171,487.71

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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.