Home / 287,725.29-397,062.60-166,938.51

Finding the Fourth Proportional to 287,725.29, 397,062.60 and 166,938.51

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Solution

The fourth proportional to 287,725.29, 397,062.60 and 166,938.51 is: 230,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,725.29 : 397,062.60 = 166,938.51 : x
  2. Step 2: Convert to fraction form
    287,725.29/397,062.60 = 166,938.51/x
  3. Step 3: Cross multiply
    287,725.29x = 397,062.60 × 166,938.51
  4. Step 4: Simplify right side
    287,725.29x = 66,285,038,820.73
  5. Step 5: Solve for x
    x = 66,285,038,820.73/287,725.29
  6. Step 6: Final answer
    x = 230,376.13

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1.5x scale

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.