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Finding the Fourth Proportional to 265,484.88, 398,284.98 and 97,004.94

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Solution

The fourth proportional to 265,484.88, 398,284.98 and 97,004.94 is: 145,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,484.88 : 398,284.98 = 97,004.94 : x
  2. Step 2: Convert to fraction form
    265,484.88/398,284.98 = 97,004.94/x
  3. Step 3: Cross multiply
    265,484.88x = 398,284.98 × 97,004.94
  4. Step 4: Simplify right side
    265,484.88x = 38,635,610,102.78
  5. Step 5: Solve for x
    x = 38,635,610,102.78/265,484.88
  6. Step 6: Final answer
    x = 145,528.48

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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.