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Finding the Fourth Proportional to 588,615.76, 883,055.26 and 214,638.76

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Solution

The fourth proportional to 588,615.76, 883,055.26 and 214,638.76 is: 322,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,615.76 : 883,055.26 = 214,638.76 : x
  2. Step 2: Convert to fraction form
    588,615.76/883,055.26 = 214,638.76/x
  3. Step 3: Cross multiply
    588,615.76x = 883,055.26 × 214,638.76
  4. Step 4: Simplify right side
    588,615.76x = 189,537,886,017.88
  5. Step 5: Solve for x
    x = 189,537,886,017.88/588,615.76
  6. Step 6: Final answer
    x = 322,006.14

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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.