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Finding the Fourth Proportional to 468,200.08, 646,111.26 and 253,335.40

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Solution

The fourth proportional to 468,200.08, 646,111.26 and 253,335.40 is: 349,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,200.08 : 646,111.26 = 253,335.40 : x
  2. Step 2: Convert to fraction form
    468,200.08/646,111.26 = 253,335.40/x
  3. Step 3: Cross multiply
    468,200.08x = 646,111.26 × 253,335.40
  4. Step 4: Simplify right side
    468,200.08x = 163,682,854,496.60
  5. Step 5: Solve for x
    x = 163,682,854,496.60/468,200.08
  6. Step 6: Final answer
    x = 349,600.23

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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.