Home / 217,317.20-326,054.10-97,364.30

Finding the Fourth Proportional to 217,317.20, 326,054.10 and 97,364.30

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Solution

The fourth proportional to 217,317.20, 326,054.10 and 97,364.30 is: 146,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,317.20 : 326,054.10 = 97,364.30 : x
  2. Step 2: Convert to fraction form
    217,317.20/326,054.10 = 97,364.30/x
  3. Step 3: Cross multiply
    217,317.20x = 326,054.10 × 97,364.30
  4. Step 4: Simplify right side
    217,317.20x = 31,746,029,208.63
  5. Step 5: Solve for x
    x = 31,746,029,208.63/217,317.20
  6. Step 6: Final answer
    x = 146,081.53

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1.5x scale

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.