Home / 467,941.58-645,759.36-253,081.64

Finding the Fourth Proportional to 467,941.58, 645,759.36 and 253,081.64

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Solution

The fourth proportional to 467,941.58, 645,759.36 and 253,081.64 is: 349,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,941.58 : 645,759.36 = 253,081.64 : x
  2. Step 2: Convert to fraction form
    467,941.58/645,759.36 = 253,081.64/x
  3. Step 3: Cross multiply
    467,941.58x = 645,759.36 × 253,081.64
  4. Step 4: Simplify right side
    467,941.58x = 163,429,837,874.15
  5. Step 5: Solve for x
    x = 163,429,837,874.15/467,941.58
  6. Step 6: Final answer
    x = 349,252.65

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1.5x scale

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.