Home / 287,893.32-397,293.48-160,577.16

Finding the Fourth Proportional to 287,893.32, 397,293.48 and 160,577.16

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Solution

The fourth proportional to 287,893.32, 397,293.48 and 160,577.16 is: 221,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,893.32 : 397,293.48 = 160,577.16 : x
  2. Step 2: Convert to fraction form
    287,893.32/397,293.48 = 160,577.16/x
  3. Step 3: Cross multiply
    287,893.32x = 397,293.48 × 160,577.16
  4. Step 4: Simplify right side
    287,893.32x = 63,796,258,704.92
  5. Step 5: Solve for x
    x = 63,796,258,704.92/287,893.32
  6. Step 6: Final answer
    x = 221,596.87

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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.