Home / 245,059.20-367,588.80-223,286.40

Finding the Fourth Proportional to 245,059.20, 367,588.80 and 223,286.40

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Solution

The fourth proportional to 245,059.20, 367,588.80 and 223,286.40 is: 334,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,059.20 : 367,588.80 = 223,286.40 : x
  2. Step 2: Convert to fraction form
    245,059.20/367,588.80 = 223,286.40/x
  3. Step 3: Cross multiply
    245,059.20x = 367,588.80 × 223,286.40
  4. Step 4: Simplify right side
    245,059.20x = 82,077,579,832.32
  5. Step 5: Solve for x
    x = 82,077,579,832.32/245,059.20
  6. Step 6: Final answer
    x = 334,929.60

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1.5x scale

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.