Home / 336,478.58-464,077.88-215,631.10

Finding the Fourth Proportional to 336,478.58, 464,077.88 and 215,631.10

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Solution

The fourth proportional to 336,478.58, 464,077.88 and 215,631.10 is: 297,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,478.58 : 464,077.88 = 215,631.10 : x
  2. Step 2: Convert to fraction form
    336,478.58/464,077.88 = 215,631.10/x
  3. Step 3: Cross multiply
    336,478.58x = 464,077.88 × 215,631.10
  4. Step 4: Simplify right side
    336,478.58x = 100,069,621,511.72
  5. Step 5: Solve for x
    x = 100,069,621,511.72/336,478.58
  6. Step 6: Final answer
    x = 297,402.65

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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.