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Finding the Fourth Proportional to 219,147.66, 302,416.83 and 123,652.98

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Solution

The fourth proportional to 219,147.66, 302,416.83 and 123,652.98 is: 170,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,147.66 : 302,416.83 = 123,652.98 : x
  2. Step 2: Convert to fraction form
    219,147.66/302,416.83 = 123,652.98/x
  3. Step 3: Cross multiply
    219,147.66x = 302,416.83 × 123,652.98
  4. Step 4: Simplify right side
    219,147.66x = 37,394,742,231.65
  5. Step 5: Solve for x
    x = 37,394,742,231.65/219,147.66
  6. Step 6: Final answer
    x = 170,637.20

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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.