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Finding the Fourth Proportional to 304,926.54, 457,389.81 and 138,762.06

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Solution

The fourth proportional to 304,926.54, 457,389.81 and 138,762.06 is: 208,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,926.54 : 457,389.81 = 138,762.06 : x
  2. Step 2: Convert to fraction form
    304,926.54/457,389.81 = 138,762.06/x
  3. Step 3: Cross multiply
    304,926.54x = 457,389.81 × 138,762.06
  4. Step 4: Simplify right side
    304,926.54x = 63,468,352,258.61
  5. Step 5: Solve for x
    x = 63,468,352,258.61/304,926.54
  6. Step 6: Final answer
    x = 208,143.09

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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.