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Finding the Fourth Proportional to 225,033.40, 310,587.65 and 144,561.52

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Solution

The fourth proportional to 225,033.40, 310,587.65 and 144,561.52 is: 199,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,033.40 : 310,587.65 = 144,561.52 : x
  2. Step 2: Convert to fraction form
    225,033.40/310,587.65 = 144,561.52/x
  3. Step 3: Cross multiply
    225,033.40x = 310,587.65 × 144,561.52
  4. Step 4: Simplify right side
    225,033.40x = 44,899,022,777.23
  5. Step 5: Solve for x
    x = 44,899,022,777.23/225,033.40
  6. Step 6: Final answer
    x = 199,521.59

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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.