Home / 329,848.53-455,239.81-209,001.06

Finding the Fourth Proportional to 329,848.53, 455,239.81 and 209,001.06

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Solution

The fourth proportional to 329,848.53, 455,239.81 and 209,001.06 is: 288,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,848.53 : 455,239.81 = 209,001.06 : x
  2. Step 2: Convert to fraction form
    329,848.53/455,239.81 = 209,001.06/x
  3. Step 3: Cross multiply
    329,848.53x = 455,239.81 × 209,001.06
  4. Step 4: Simplify right side
    329,848.53x = 95,145,602,844.20
  5. Step 5: Solve for x
    x = 95,145,602,844.20/329,848.53
  6. Step 6: Final answer
    x = 288,452.41

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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.