Home / 538,422.06-807,633.23-159,313.44

Finding the Fourth Proportional to 538,422.06, 807,633.23 and 159,313.44

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Solution

The fourth proportional to 538,422.06, 807,633.23 and 159,313.44 is: 238,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,422.06 : 807,633.23 = 159,313.44 : x
  2. Step 2: Convert to fraction form
    538,422.06/807,633.23 = 159,313.44/x
  3. Step 3: Cross multiply
    538,422.06x = 807,633.23 × 159,313.44
  4. Step 4: Simplify right side
    538,422.06x = 128,666,827,333.04
  5. Step 5: Solve for x
    x = 128,666,827,333.04/538,422.06
  6. Step 6: Final answer
    x = 238,970.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.