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Finding the Fourth Proportional to 586,021.19, 879,065.81 and 226,194.08

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Solution

The fourth proportional to 586,021.19, 879,065.81 and 226,194.08 is: 339,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,021.19 : 879,065.81 = 226,194.08 : x
  2. Step 2: Convert to fraction form
    586,021.19/879,065.81 = 226,194.08/x
  3. Step 3: Cross multiply
    586,021.19x = 879,065.81 × 226,194.08
  4. Step 4: Simplify right side
    586,021.19x = 198,839,482,152.41
  5. Step 5: Solve for x
    x = 198,839,482,152.41/586,021.19
  6. Step 6: Final answer
    x = 339,304.25

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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.