Home / 217,579.32-300,281.04-146,108.16

Finding the Fourth Proportional to 217,579.32, 300,281.04 and 146,108.16

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Solution

The fourth proportional to 217,579.32, 300,281.04 and 146,108.16 is: 201,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,579.32 : 300,281.04 = 146,108.16 : x
  2. Step 2: Convert to fraction form
    217,579.32/300,281.04 = 146,108.16/x
  3. Step 3: Cross multiply
    217,579.32x = 300,281.04 × 146,108.16
  4. Step 4: Simplify right side
    217,579.32x = 43,873,510,237.29
  5. Step 5: Solve for x
    x = 43,873,510,237.29/217,579.32
  6. Step 6: Final answer
    x = 201,643.75

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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.