Home / 665,298.05-997,701.04-216,033.58

Finding the Fourth Proportional to 665,298.05, 997,701.04 and 216,033.58

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Solution

The fourth proportional to 665,298.05, 997,701.04 and 216,033.58 is: 323,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,298.05 : 997,701.04 = 216,033.58 : x
  2. Step 2: Convert to fraction form
    665,298.05/997,701.04 = 216,033.58/x
  3. Step 3: Cross multiply
    665,298.05x = 997,701.04 × 216,033.58
  4. Step 4: Simplify right side
    665,298.05x = 215,536,921,372.25
  5. Step 5: Solve for x
    x = 215,536,921,372.25/665,298.05
  6. Step 6: Final answer
    x = 323,970.47

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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.