Home / 292,461.72-438,867.36-268,667.16

Finding the Fourth Proportional to 292,461.72, 438,867.36 and 268,667.16

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Solution

The fourth proportional to 292,461.72, 438,867.36 and 268,667.16 is: 403,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,461.72 : 438,867.36 = 268,667.16 : x
  2. Step 2: Convert to fraction form
    292,461.72/438,867.36 = 268,667.16/x
  3. Step 3: Cross multiply
    292,461.72x = 438,867.36 × 268,667.16
  4. Step 4: Simplify right side
    292,461.72x = 117,909,247,227.90
  5. Step 5: Solve for x
    x = 117,909,247,227.90/292,461.72
  6. Step 6: Final answer
    x = 403,161.30

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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.