Home / 382,934.72-528,445.42-210,849.08

Finding the Fourth Proportional to 382,934.72, 528,445.42 and 210,849.08

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Solution

The fourth proportional to 382,934.72, 528,445.42 and 210,849.08 is: 290,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,934.72 : 528,445.42 = 210,849.08 : x
  2. Step 2: Convert to fraction form
    382,934.72/528,445.42 = 210,849.08/x
  3. Step 3: Cross multiply
    382,934.72x = 528,445.42 × 210,849.08
  4. Step 4: Simplify right side
    382,934.72x = 111,422,227,467.86
  5. Step 5: Solve for x
    x = 111,422,227,467.86/382,934.72
  6. Step 6: Final answer
    x = 290,969.25

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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.