Home / 219,774.79-329,643.96-70,009.03

Finding the Fourth Proportional to 219,774.79, 329,643.96 and 70,009.03

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Solution

The fourth proportional to 219,774.79, 329,643.96 and 70,009.03 is: 105,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,774.79 : 329,643.96 = 70,009.03 : x
  2. Step 2: Convert to fraction form
    219,774.79/329,643.96 = 70,009.03/x
  3. Step 3: Cross multiply
    219,774.79x = 329,643.96 × 70,009.03
  4. Step 4: Simplify right side
    219,774.79x = 23,078,053,884.96
  5. Step 5: Solve for x
    x = 23,078,053,884.96/219,774.79
  6. Step 6: Final answer
    x = 105,007.74

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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.