Home / 690,181.80-1,035,307.80-216,871.80

Finding the Fourth Proportional to 690,181.80, 1,035,307.80 and 216,871.80

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Solution

The fourth proportional to 690,181.80, 1,035,307.80 and 216,871.80 is: 325,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,181.80 : 1,035,307.80 = 216,871.80 : x
  2. Step 2: Convert to fraction form
    690,181.80/1,035,307.80 = 216,871.80/x
  3. Step 3: Cross multiply
    690,181.80x = 1,035,307.80 × 216,871.80
  4. Step 4: Simplify right side
    690,181.80x = 224,529,066,140.04
  5. Step 5: Solve for x
    x = 224,529,066,140.04/690,181.80
  6. Step 6: Final answer
    x = 325,318.73

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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.