Home / 497,196.72-686,132.64-270,837.36

Finding the Fourth Proportional to 497,196.72, 686,132.64 and 270,837.36

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Solution

The fourth proportional to 497,196.72, 686,132.64 and 270,837.36 is: 373,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,196.72 : 686,132.64 = 270,837.36 : x
  2. Step 2: Convert to fraction form
    497,196.72/686,132.64 = 270,837.36/x
  3. Step 3: Cross multiply
    497,196.72x = 686,132.64 × 270,837.36
  4. Step 4: Simplify right side
    497,196.72x = 185,830,352,827.43
  5. Step 5: Solve for x
    x = 185,830,352,827.43/497,196.72
  6. Step 6: Final answer
    x = 373,756.19

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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.