Home / 380,407.07-524,961.72-210,641.19

Finding the Fourth Proportional to 380,407.07, 524,961.72 and 210,641.19

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Solution

The fourth proportional to 380,407.07, 524,961.72 and 210,641.19 is: 290,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,407.07 : 524,961.72 = 210,641.19 : x
  2. Step 2: Convert to fraction form
    380,407.07/524,961.72 = 210,641.19/x
  3. Step 3: Cross multiply
    380,407.07x = 524,961.72 × 210,641.19
  4. Step 4: Simplify right side
    380,407.07x = 110,578,561,405.25
  5. Step 5: Solve for x
    x = 110,578,561,405.25/380,407.07
  6. Step 6: Final answer
    x = 290,684.83

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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.