Home / 218,864.77-302,038.00-123,371.44

Finding the Fourth Proportional to 218,864.77, 302,038.00 and 123,371.44

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Solution

The fourth proportional to 218,864.77, 302,038.00 and 123,371.44 is: 170,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,864.77 : 302,038.00 = 123,371.44 : x
  2. Step 2: Convert to fraction form
    218,864.77/302,038.00 = 123,371.44/x
  3. Step 3: Cross multiply
    218,864.77x = 302,038.00 × 123,371.44
  4. Step 4: Simplify right side
    218,864.77x = 37,262,862,162.52
  5. Step 5: Solve for x
    x = 37,262,862,162.52/218,864.77
  6. Step 6: Final answer
    x = 170,255.19

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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.