Home / 217,746.62-300,482.58-122,257.34

Finding the Fourth Proportional to 217,746.62, 300,482.58 and 122,257.34

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Solution

The fourth proportional to 217,746.62, 300,482.58 and 122,257.34 is: 168,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,746.62 : 300,482.58 = 122,257.34 : x
  2. Step 2: Convert to fraction form
    217,746.62/300,482.58 = 122,257.34/x
  3. Step 3: Cross multiply
    217,746.62x = 300,482.58 × 122,257.34
  4. Step 4: Simplify right side
    217,746.62x = 36,736,199,444.72
  5. Step 5: Solve for x
    x = 36,736,199,444.72/217,746.62
  6. Step 6: Final answer
    x = 168,710.77

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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.