Home / 287,316.02-396,496.08-166,527.36

Finding the Fourth Proportional to 287,316.02, 396,496.08 and 166,527.36

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Solution

The fourth proportional to 287,316.02, 396,496.08 and 166,527.36 is: 229,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,316.02 : 396,496.08 = 166,527.36 : x
  2. Step 2: Convert to fraction form
    287,316.02/396,496.08 = 166,527.36/x
  3. Step 3: Cross multiply
    287,316.02x = 396,496.08 × 166,527.36
  4. Step 4: Simplify right side
    287,316.02x = 66,027,445,452.75
  5. Step 5: Solve for x
    x = 66,027,445,452.75/287,316.02
  6. Step 6: Final answer
    x = 229,807.74

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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.