Home / 349,326.90-524,623.95-305,781.30

Finding the Fourth Proportional to 349,326.90, 524,623.95 and 305,781.30

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Solution

The fourth proportional to 349,326.90, 524,623.95 and 305,781.30 is: 459,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,326.90 : 524,623.95 = 305,781.30 : x
  2. Step 2: Convert to fraction form
    349,326.90/524,623.95 = 305,781.30/x
  3. Step 3: Cross multiply
    349,326.90x = 524,623.95 × 305,781.30
  4. Step 4: Simplify right side
    349,326.90x = 160,420,193,442.14
  5. Step 5: Solve for x
    x = 160,420,193,442.14/349,326.90
  6. Step 6: Final answer
    x = 459,226.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.