Home / 497,157.55-686,082.10-282,302.11

Finding the Fourth Proportional to 497,157.55, 686,082.10 and 282,302.11

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Solution

The fourth proportional to 497,157.55, 686,082.10 and 282,302.11 is: 389,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,157.55 : 686,082.10 = 282,302.11 : x
  2. Step 2: Convert to fraction form
    497,157.55/686,082.10 = 282,302.11/x
  3. Step 3: Cross multiply
    497,157.55x = 686,082.10 × 282,302.11
  4. Step 4: Simplify right side
    497,157.55x = 193,682,425,144.40
  5. Step 5: Solve for x
    x = 193,682,425,144.40/497,157.55
  6. Step 6: Final answer
    x = 389,579.57

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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.