Home / 219,802.28-329,699.82-70,040.56

Finding the Fourth Proportional to 219,802.28, 329,699.82 and 70,040.56

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Solution

The fourth proportional to 219,802.28, 329,699.82 and 70,040.56 is: 105,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,802.28 : 329,699.82 = 70,040.56 : x
  2. Step 2: Convert to fraction form
    219,802.28/329,699.82 = 70,040.56/x
  3. Step 3: Cross multiply
    219,802.28x = 329,699.82 × 70,040.56
  4. Step 4: Simplify right side
    219,802.28x = 23,092,360,024.70
  5. Step 5: Solve for x
    x = 23,092,360,024.70/219,802.28
  6. Step 6: Final answer
    x = 105,059.69

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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.