Home / 215,657.04-323,543.79-65,893.23

Finding the Fourth Proportional to 215,657.04, 323,543.79 and 65,893.23

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Solution

The fourth proportional to 215,657.04, 323,543.79 and 65,893.23 is: 98,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,657.04 : 323,543.79 = 65,893.23 : x
  2. Step 2: Convert to fraction form
    215,657.04/323,543.79 = 65,893.23/x
  3. Step 3: Cross multiply
    215,657.04x = 323,543.79 × 65,893.23
  4. Step 4: Simplify right side
    215,657.04x = 21,319,346,582.83
  5. Step 5: Solve for x
    x = 21,319,346,582.83/215,657.04
  6. Step 6: Final answer
    x = 98,857.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.