Home / 287,421.22-396,653.52-160,096.87

Finding the Fourth Proportional to 287,421.22, 396,653.52 and 160,096.87

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Solution

The fourth proportional to 287,421.22, 396,653.52 and 160,096.87 is: 220,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,421.22 : 396,653.52 = 160,096.87 : x
  2. Step 2: Convert to fraction form
    287,421.22/396,653.52 = 160,096.87/x
  3. Step 3: Cross multiply
    287,421.22x = 396,653.52 × 160,096.87
  4. Step 4: Simplify right side
    287,421.22x = 63,502,987,026.48
  5. Step 5: Solve for x
    x = 63,502,987,026.48/287,421.22
  6. Step 6: Final answer
    x = 220,940.50

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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.