Home / 380,494.13-525,060.83-210,714.89

Finding the Fourth Proportional to 380,494.13, 525,060.83 and 210,714.89

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Solution

The fourth proportional to 380,494.13, 525,060.83 and 210,714.89 is: 290,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,494.13 : 525,060.83 = 210,714.89 : x
  2. Step 2: Convert to fraction form
    380,494.13/525,060.83 = 210,714.89/x
  3. Step 3: Cross multiply
    380,494.13x = 525,060.83 × 210,714.89
  4. Step 4: Simplify right side
    380,494.13x = 110,638,132,938.24
  5. Step 5: Solve for x
    x = 110,638,132,938.24/380,494.13
  6. Step 6: Final answer
    x = 290,774.88

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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.