Home / 239,277.76-330,214.08-143,828.80

Finding the Fourth Proportional to 239,277.76, 330,214.08 and 143,828.80

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Solution

The fourth proportional to 239,277.76, 330,214.08 and 143,828.80 is: 198,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,277.76 : 330,214.08 = 143,828.80 : x
  2. Step 2: Convert to fraction form
    239,277.76/330,214.08 = 143,828.80/x
  3. Step 3: Cross multiply
    239,277.76x = 330,214.08 × 143,828.80
  4. Step 4: Simplify right side
    239,277.76x = 47,494,294,869.50
  5. Step 5: Solve for x
    x = 47,494,294,869.50/239,277.76
  6. Step 6: Final answer
    x = 198,490.22

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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.