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Finding the Fourth Proportional to 225,013.84, 310,525.32 and 124,415.44

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Solution

The fourth proportional to 225,013.84, 310,525.32 and 124,415.44 is: 171,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,013.84 : 310,525.32 = 124,415.44 : x
  2. Step 2: Convert to fraction form
    225,013.84/310,525.32 = 124,415.44/x
  3. Step 3: Cross multiply
    225,013.84x = 310,525.32 × 124,415.44
  4. Step 4: Simplify right side
    225,013.84x = 38,634,144,318.94
  5. Step 5: Solve for x
    x = 38,634,144,318.94/225,013.84
  6. Step 6: Final answer
    x = 171,696.75

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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.