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Finding the Fourth Proportional to 593,997.96, 891,085.80 and 215,007.36

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Solution

The fourth proportional to 593,997.96, 891,085.80 and 215,007.36 is: 322,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,997.96 : 891,085.80 = 215,007.36 : x
  2. Step 2: Convert to fraction form
    593,997.96/891,085.80 = 215,007.36/x
  3. Step 3: Cross multiply
    593,997.96x = 891,085.80 × 215,007.36
  4. Step 4: Simplify right side
    593,997.96x = 191,590,005,391.49
  5. Step 5: Solve for x
    x = 191,590,005,391.49/593,997.96
  6. Step 6: Final answer
    x = 322,543.20

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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.