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Finding the Fourth Proportional to 340,033.40, 510,050.10 and 302,708.60

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Solution

The fourth proportional to 340,033.40, 510,050.10 and 302,708.60 is: 454,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,033.40 : 510,050.10 = 302,708.60 : x
  2. Step 2: Convert to fraction form
    340,033.40/510,050.10 = 302,708.60/x
  3. Step 3: Cross multiply
    340,033.40x = 510,050.10 × 302,708.60
  4. Step 4: Simplify right side
    340,033.40x = 154,396,551,700.86
  5. Step 5: Solve for x
    x = 154,396,551,700.86/340,033.40
  6. Step 6: Final answer
    x = 454,062.90

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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.