Home / 287,697.03-397,007.37-160,348.02

Finding the Fourth Proportional to 287,697.03, 397,007.37 and 160,348.02

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Solution

The fourth proportional to 287,697.03, 397,007.37 and 160,348.02 is: 221,272.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,697.03 : 397,007.37 = 160,348.02 : x
  2. Step 2: Convert to fraction form
    287,697.03/397,007.37 = 160,348.02/x
  3. Step 3: Cross multiply
    287,697.03x = 397,007.37 × 160,348.02
  4. Step 4: Simplify right side
    287,697.03x = 63,659,345,704.91
  5. Step 5: Solve for x
    x = 63,659,345,704.91/287,697.03
  6. Step 6: Final answer
    x = 221,272.17

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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.