Home / 287,826.48-397,202.04-160,507.44

Finding the Fourth Proportional to 287,826.48, 397,202.04 and 160,507.44

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Solution

The fourth proportional to 287,826.48, 397,202.04 and 160,507.44 is: 221,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,826.48 : 397,202.04 = 160,507.44 : x
  2. Step 2: Convert to fraction form
    287,826.48/397,202.04 = 160,507.44/x
  3. Step 3: Cross multiply
    287,826.48x = 397,202.04 × 160,507.44
  4. Step 4: Simplify right side
    287,826.48x = 63,753,882,603.18
  5. Step 5: Solve for x
    x = 63,753,882,603.18/287,826.48
  6. Step 6: Final answer
    x = 221,501.10

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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.