Home / 347,904.21-521,106.51-234,963.38

Finding the Fourth Proportional to 347,904.21, 521,106.51 and 234,963.38

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Solution

The fourth proportional to 347,904.21, 521,106.51 and 234,963.38 is: 351,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,904.21 : 521,106.51 = 234,963.38 : x
  2. Step 2: Convert to fraction form
    347,904.21/521,106.51 = 234,963.38/x
  3. Step 3: Cross multiply
    347,904.21x = 521,106.51 × 234,963.38
  4. Step 4: Simplify right side
    347,904.21x = 122,440,949,113.48
  5. Step 5: Solve for x
    x = 122,440,949,113.48/347,904.21
  6. Step 6: Final answer
    x = 351,938.68

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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.