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Finding the Fourth Proportional to 343,360.44, 514,946.97 and 143,648.46

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Solution

The fourth proportional to 343,360.44, 514,946.97 and 143,648.46 is: 215,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,360.44 : 514,946.97 = 143,648.46 : x
  2. Step 2: Convert to fraction form
    343,360.44/514,946.97 = 143,648.46/x
  3. Step 3: Cross multiply
    343,360.44x = 514,946.97 × 143,648.46
  4. Step 4: Simplify right side
    343,360.44x = 73,971,339,222.17
  5. Step 5: Solve for x
    x = 73,971,339,222.17/343,360.44
  6. Step 6: Final answer
    x = 215,433.49

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1.5x scale

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.