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Finding the Fourth Proportional to 265,031.79, 397,551.89 and 65,352.23

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Solution

The fourth proportional to 265,031.79, 397,551.89 and 65,352.23 is: 98,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,031.79 : 397,551.89 = 65,352.23 : x
  2. Step 2: Convert to fraction form
    265,031.79/397,551.89 = 65,352.23/x
  3. Step 3: Cross multiply
    265,031.79x = 397,551.89 × 65,352.23
  4. Step 4: Simplify right side
    265,031.79x = 25,980,901,973.58
  5. Step 5: Solve for x
    x = 25,980,901,973.58/265,031.79
  6. Step 6: Final answer
    x = 98,029.38

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1.5x scale

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.