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Finding the Fourth Proportional to 536,864.01, 805,254.13 and 312,081.07

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Solution

The fourth proportional to 536,864.01, 805,254.13 and 312,081.07 is: 468,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,864.01 : 805,254.13 = 312,081.07 : x
  2. Step 2: Convert to fraction form
    536,864.01/805,254.13 = 312,081.07/x
  3. Step 3: Cross multiply
    536,864.01x = 805,254.13 × 312,081.07
  4. Step 4: Simplify right side
    536,864.01x = 251,304,566,486.05
  5. Step 5: Solve for x
    x = 251,304,566,486.05/536,864.01
  6. Step 6: Final answer
    x = 468,097.25

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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.