Home / 287,600.40-396,892.44-160,271.64

Finding the Fourth Proportional to 287,600.40, 396,892.44 and 160,271.64

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Solution

The fourth proportional to 287,600.40, 396,892.44 and 160,271.64 is: 221,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,600.40 : 396,892.44 = 160,271.64 : x
  2. Step 2: Convert to fraction form
    287,600.40/396,892.44 = 160,271.64/x
  3. Step 3: Cross multiply
    287,600.40x = 396,892.44 × 160,271.64
  4. Step 4: Simplify right side
    287,600.40x = 63,610,602,262.40
  5. Step 5: Solve for x
    x = 63,610,602,262.40/287,600.40
  6. Step 6: Final answer
    x = 221,177.03

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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.