Home / 380,514.12-525,108.33-210,748.20

Finding the Fourth Proportional to 380,514.12, 525,108.33 and 210,748.20

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Solution

The fourth proportional to 380,514.12, 525,108.33 and 210,748.20 is: 290,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,514.12 : 525,108.33 = 210,748.20 : x
  2. Step 2: Convert to fraction form
    380,514.12/525,108.33 = 210,748.20/x
  3. Step 3: Cross multiply
    380,514.12x = 525,108.33 × 210,748.20
  4. Step 4: Simplify right side
    380,514.12x = 110,665,635,352.51
  5. Step 5: Solve for x
    x = 110,665,635,352.51/380,514.12
  6. Step 6: Final answer
    x = 290,831.88

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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.