Home / 217,417.34-300,038.92-131,364.30

Finding the Fourth Proportional to 217,417.34, 300,038.92 and 131,364.30

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Solution

The fourth proportional to 217,417.34, 300,038.92 and 131,364.30 is: 181,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,417.34 : 300,038.92 = 131,364.30 : x
  2. Step 2: Convert to fraction form
    217,417.34/300,038.92 = 131,364.30/x
  3. Step 3: Cross multiply
    217,417.34x = 300,038.92 × 131,364.30
  4. Step 4: Simplify right side
    217,417.34x = 39,414,402,698.56
  5. Step 5: Solve for x
    x = 39,414,402,698.56/217,417.34
  6. Step 6: Final answer
    x = 181,284.54

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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.