Home / 461,615.45-637,135.61-270,690.35

Finding the Fourth Proportional to 461,615.45, 637,135.61 and 270,690.35

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Solution

The fourth proportional to 461,615.45, 637,135.61 and 270,690.35 is: 373,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,615.45 : 637,135.61 = 270,690.35 : x
  2. Step 2: Convert to fraction form
    461,615.45/637,135.61 = 270,690.35/x
  3. Step 3: Cross multiply
    461,615.45x = 637,135.61 × 270,690.35
  4. Step 4: Simplify right side
    461,615.45x = 172,466,461,268.36
  5. Step 5: Solve for x
    x = 172,466,461,268.36/461,615.45
  6. Step 6: Final answer
    x = 373,615.01

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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.