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Finding the Fourth Proportional to 304,686.90, 456,750.47 and 104,959.81

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Solution

The fourth proportional to 304,686.90, 456,750.47 and 104,959.81 is: 157,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,686.90 : 456,750.47 = 104,959.81 : x
  2. Step 2: Convert to fraction form
    304,686.90/456,750.47 = 104,959.81/x
  3. Step 3: Cross multiply
    304,686.90x = 456,750.47 × 104,959.81
  4. Step 4: Simplify right side
    304,686.90x = 47,940,441,802.14
  5. Step 5: Solve for x
    x = 47,940,441,802.14/304,686.90
  6. Step 6: Final answer
    x = 157,343.30

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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.