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Finding the Fourth Proportional to 375,735.11, 518,459.07 and 228,484.85

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Solution

The fourth proportional to 375,735.11, 518,459.07 and 228,484.85 is: 315,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,735.11 : 518,459.07 = 228,484.85 : x
  2. Step 2: Convert to fraction form
    375,735.11/518,459.07 = 228,484.85/x
  3. Step 3: Cross multiply
    375,735.11x = 518,459.07 × 228,484.85
  4. Step 4: Simplify right side
    375,735.11x = 118,460,041,104.61
  5. Step 5: Solve for x
    x = 118,460,041,104.61/375,735.11
  6. Step 6: Final answer
    x = 315,275.41

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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.