Home / 375,938.11-518,746.64-214,803.60

Finding the Fourth Proportional to 375,938.11, 518,746.64 and 214,803.60

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Solution

The fourth proportional to 375,938.11, 518,746.64 and 214,803.60 is: 296,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,938.11 : 518,746.64 = 214,803.60 : x
  2. Step 2: Convert to fraction form
    375,938.11/518,746.64 = 214,803.60/x
  3. Step 3: Cross multiply
    375,938.11x = 518,746.64 × 214,803.60
  4. Step 4: Simplify right side
    375,938.11x = 111,428,645,759.90
  5. Step 5: Solve for x
    x = 111,428,645,759.90/375,938.11
  6. Step 6: Final answer
    x = 296,401.57

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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.