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Finding the Fourth Proportional to 340,426.12, 510,706.84 and 115,726.22

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Solution

The fourth proportional to 340,426.12, 510,706.84 and 115,726.22 is: 173,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,426.12 : 510,706.84 = 115,726.22 : x
  2. Step 2: Convert to fraction form
    340,426.12/510,706.84 = 115,726.22/x
  3. Step 3: Cross multiply
    340,426.12x = 510,706.84 × 115,726.22
  4. Step 4: Simplify right side
    340,426.12x = 59,102,171,410.63
  5. Step 5: Solve for x
    x = 59,102,171,410.63/340,426.12
  6. Step 6: Final answer
    x = 173,612.33

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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.