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Finding the Fourth Proportional to 304,767.54, 420,582.30 and 183,885.42

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Solution

The fourth proportional to 304,767.54, 420,582.30 and 183,885.42 is: 253,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,767.54 : 420,582.30 = 183,885.42 : x
  2. Step 2: Convert to fraction form
    304,767.54/420,582.30 = 183,885.42/x
  3. Step 3: Cross multiply
    304,767.54x = 420,582.30 × 183,885.42
  4. Step 4: Simplify right side
    304,767.54x = 77,338,952,880.07
  5. Step 5: Solve for x
    x = 77,338,952,880.07/304,767.54
  6. Step 6: Final answer
    x = 253,763.75

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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.