Home / 380,066.90-524,492.28-207,984.92

Finding the Fourth Proportional to 380,066.90, 524,492.28 and 207,984.92

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Solution

The fourth proportional to 380,066.90, 524,492.28 and 207,984.92 is: 287,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,066.90 : 524,492.28 = 207,984.92 : x
  2. Step 2: Convert to fraction form
    380,066.90/524,492.28 = 207,984.92/x
  3. Step 3: Cross multiply
    380,066.90x = 524,492.28 × 207,984.92
  4. Step 4: Simplify right side
    380,066.90x = 109,086,482,273.96
  5. Step 5: Solve for x
    x = 109,086,482,273.96/380,066.90
  6. Step 6: Final answer
    x = 287,019.16

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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.