Home / 340,527.12-469,511.04-212,981.28

Finding the Fourth Proportional to 340,527.12, 469,511.04 and 212,981.28

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Solution

The fourth proportional to 340,527.12, 469,511.04 and 212,981.28 is: 293,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,527.12 : 469,511.04 = 212,981.28 : x
  2. Step 2: Convert to fraction form
    340,527.12/469,511.04 = 212,981.28/x
  3. Step 3: Cross multiply
    340,527.12x = 469,511.04 × 212,981.28
  4. Step 4: Simplify right side
    340,527.12x = 99,997,062,273.33
  5. Step 5: Solve for x
    x = 99,997,062,273.33/340,527.12
  6. Step 6: Final answer
    x = 293,653.74

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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.