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Finding the Fourth Proportional to 666,572.68, 999,962.70 and 223,237

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Solution

The fourth proportional to 666,572.68, 999,962.70 and 223,237 is: 334,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,572.68 : 999,962.70 = 223,237 : x
  2. Step 2: Convert to fraction form
    666,572.68/999,962.70 = 223,237/x
  3. Step 3: Cross multiply
    666,572.68x = 999,962.70 × 223,237
  4. Step 4: Simplify right side
    666,572.68x = 223,228,673,259.90
  5. Step 5: Solve for x
    x = 223,228,673,259.90/666,572.68
  6. Step 6: Final answer
    x = 334,890.22

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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.