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Finding the Fourth Proportional to 304,547.58, 420,270.56 and 168,578.61

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Solution

The fourth proportional to 304,547.58, 420,270.56 and 168,578.61 is: 232,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,547.58 : 420,270.56 = 168,578.61 : x
  2. Step 2: Convert to fraction form
    304,547.58/420,270.56 = 168,578.61/x
  3. Step 3: Cross multiply
    304,547.58x = 420,270.56 × 168,578.61
  4. Step 4: Simplify right side
    304,547.58x = 70,848,625,985.83
  5. Step 5: Solve for x
    x = 70,848,625,985.83/304,547.58
  6. Step 6: Final answer
    x = 232,635.66

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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.