Home / 219,763.09-329,775.86-153,070.53

Finding the Fourth Proportional to 219,763.09, 329,775.86 and 153,070.53

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Solution

The fourth proportional to 219,763.09, 329,775.86 and 153,070.53 is: 229,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,763.09 : 329,775.86 = 153,070.53 : x
  2. Step 2: Convert to fraction form
    219,763.09/329,775.86 = 153,070.53/x
  3. Step 3: Cross multiply
    219,763.09x = 329,775.86 × 153,070.53
  4. Step 4: Simplify right side
    219,763.09x = 50,478,965,671.41
  5. Step 5: Solve for x
    x = 50,478,965,671.41/219,763.09
  6. Step 6: Final answer
    x = 229,697.20

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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.