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Finding the Fourth Proportional to 304,828.70, 420,659.06 and 168,862.23

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Solution

The fourth proportional to 304,828.70, 420,659.06 and 168,862.23 is: 233,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,828.70 : 420,659.06 = 168,862.23 : x
  2. Step 2: Convert to fraction form
    304,828.70/420,659.06 = 168,862.23/x
  3. Step 3: Cross multiply
    304,828.70x = 420,659.06 × 168,862.23
  4. Step 4: Simplify right side
    304,828.70x = 71,033,426,096.99
  5. Step 5: Solve for x
    x = 71,033,426,096.99/304,828.70
  6. Step 6: Final answer
    x = 233,027.36

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1.5x scale

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.