Home / 648,718.56-973,170.96-199,477.20

Finding the Fourth Proportional to 648,718.56, 973,170.96 and 199,477.20

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Solution

The fourth proportional to 648,718.56, 973,170.96 and 199,477.20 is: 299,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,718.56 : 973,170.96 = 199,477.20 : x
  2. Step 2: Convert to fraction form
    648,718.56/973,170.96 = 199,477.20/x
  3. Step 3: Cross multiply
    648,718.56x = 973,170.96 × 199,477.20
  4. Step 4: Simplify right side
    648,718.56x = 194,125,418,222.11
  5. Step 5: Solve for x
    x = 194,125,418,222.11/648,718.56
  6. Step 6: Final answer
    x = 299,244.43

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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.