Home / 217,318.04-300,072.30-145,759.40

Finding the Fourth Proportional to 217,318.04, 300,072.30 and 145,759.40

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Solution

The fourth proportional to 217,318.04, 300,072.30 and 145,759.40 is: 201,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,318.04 : 300,072.30 = 145,759.40 : x
  2. Step 2: Convert to fraction form
    217,318.04/300,072.30 = 145,759.40/x
  3. Step 3: Cross multiply
    217,318.04x = 300,072.30 × 145,759.40
  4. Step 4: Simplify right side
    217,318.04x = 43,738,358,404.62
  5. Step 5: Solve for x
    x = 43,738,358,404.62/217,318.04
  6. Step 6: Final answer
    x = 201,264.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.