Home / 448,272.60-672,846.30-223,886.40

Finding the Fourth Proportional to 448,272.60, 672,846.30 and 223,886.40

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Solution

The fourth proportional to 448,272.60, 672,846.30 and 223,886.40 is: 336,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,272.60 : 672,846.30 = 223,886.40 : x
  2. Step 2: Convert to fraction form
    448,272.60/672,846.30 = 223,886.40/x
  3. Step 3: Cross multiply
    448,272.60x = 672,846.30 × 223,886.40
  4. Step 4: Simplify right side
    448,272.60x = 150,641,135,860.32
  5. Step 5: Solve for x
    x = 150,641,135,860.32/448,272.60
  6. Step 6: Final answer
    x = 336,048.06

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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.