Home / 287,264.51-396,409.82-164,750.56

Finding the Fourth Proportional to 287,264.51, 396,409.82 and 164,750.56

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Solution

The fourth proportional to 287,264.51, 396,409.82 and 164,750.56 is: 227,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,264.51 : 396,409.82 = 164,750.56 : x
  2. Step 2: Convert to fraction form
    287,264.51/396,409.82 = 164,750.56/x
  3. Step 3: Cross multiply
    287,264.51x = 396,409.82 × 164,750.56
  4. Step 4: Simplify right side
    287,264.51x = 65,308,737,852.45
  5. Step 5: Solve for x
    x = 65,308,737,852.45/287,264.51
  6. Step 6: Final answer
    x = 227,347.05

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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.