Home / 219,392.73-302,758.20-122,598.09

Finding the Fourth Proportional to 219,392.73, 302,758.20 and 122,598.09

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Solution

The fourth proportional to 219,392.73, 302,758.20 and 122,598.09 is: 169,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,392.73 : 302,758.20 = 122,598.09 : x
  2. Step 2: Convert to fraction form
    219,392.73/302,758.20 = 122,598.09/x
  3. Step 3: Cross multiply
    219,392.73x = 302,758.20 × 122,598.09
  4. Step 4: Simplify right side
    219,392.73x = 37,117,577,051.84
  5. Step 5: Solve for x
    x = 37,117,577,051.84/219,392.73
  6. Step 6: Final answer
    x = 169,183.26

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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.