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Finding the Fourth Proportional to 219,283.74, 302,594.67 and 123,799.86

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Solution

The fourth proportional to 219,283.74, 302,594.67 and 123,799.86 is: 170,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,283.74 : 302,594.67 = 123,799.86 : x
  2. Step 2: Convert to fraction form
    219,283.74/302,594.67 = 123,799.86/x
  3. Step 3: Cross multiply
    219,283.74x = 302,594.67 × 123,799.86
  4. Step 4: Simplify right side
    219,283.74x = 37,461,177,782.75
  5. Step 5: Solve for x
    x = 37,461,177,782.75/219,283.74
  6. Step 6: Final answer
    x = 170,834.27

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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.