Home / 380,381.54-524,926.52-210,615.66

Finding the Fourth Proportional to 380,381.54, 524,926.52 and 210,615.66

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Solution

The fourth proportional to 380,381.54, 524,926.52 and 210,615.66 is: 290,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,381.54 : 524,926.52 = 210,615.66 : x
  2. Step 2: Convert to fraction form
    380,381.54/524,926.52 = 210,615.66/x
  3. Step 3: Cross multiply
    380,381.54x = 524,926.52 × 210,615.66
  4. Step 4: Simplify right side
    380,381.54x = 110,557,744,408.23
  5. Step 5: Solve for x
    x = 110,557,744,408.23/380,381.54
  6. Step 6: Final answer
    x = 290,649.61

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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.