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Finding the Fourth Proportional to 340,110.80, 510,166.20 and 300,744.80

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Solution

The fourth proportional to 340,110.80, 510,166.20 and 300,744.80 is: 451,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,110.80 : 510,166.20 = 300,744.80 : x
  2. Step 2: Convert to fraction form
    340,110.80/510,166.20 = 300,744.80/x
  3. Step 3: Cross multiply
    340,110.80x = 510,166.20 × 300,744.80
  4. Step 4: Simplify right side
    340,110.80x = 153,429,831,785.76
  5. Step 5: Solve for x
    x = 153,429,831,785.76/340,110.80
  6. Step 6: Final answer
    x = 451,117.20

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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.