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Finding the Fourth Proportional to 304,476.98, 420,167.79 and 168,516.72

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Solution

The fourth proportional to 304,476.98, 420,167.79 and 168,516.72 is: 232,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,476.98 : 420,167.79 = 168,516.72 : x
  2. Step 2: Convert to fraction form
    304,476.98/420,167.79 = 168,516.72/x
  3. Step 3: Cross multiply
    304,476.98x = 420,167.79 × 168,516.72
  4. Step 4: Simplify right side
    304,476.98x = 70,805,297,820.45
  5. Step 5: Solve for x
    x = 70,805,297,820.45/304,476.98
  6. Step 6: Final answer
    x = 232,547.30

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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.