Home / 436,439.88-602,196.74-255,116.72

Finding the Fourth Proportional to 436,439.88, 602,196.74 and 255,116.72

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Solution

The fourth proportional to 436,439.88, 602,196.74 and 255,116.72 is: 352,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,439.88 : 602,196.74 = 255,116.72 : x
  2. Step 2: Convert to fraction form
    436,439.88/602,196.74 = 255,116.72/x
  3. Step 3: Cross multiply
    436,439.88x = 602,196.74 × 255,116.72
  4. Step 4: Simplify right side
    436,439.88x = 153,630,458,290.09
  5. Step 5: Solve for x
    x = 153,630,458,290.09/436,439.88
  6. Step 6: Final answer
    x = 352,008.30

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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.