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Finding the Fourth Proportional to 340,340.51, 510,514.86 and 103,685.24

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Solution

The fourth proportional to 340,340.51, 510,514.86 and 103,685.24 is: 155,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,340.51 : 510,514.86 = 103,685.24 : x
  2. Step 2: Convert to fraction form
    340,340.51/510,514.86 = 103,685.24/x
  3. Step 3: Cross multiply
    340,340.51x = 510,514.86 × 103,685.24
  4. Step 4: Simplify right side
    340,340.51x = 52,932,855,782.67
  5. Step 5: Solve for x
    x = 52,932,855,782.67/340,340.51
  6. Step 6: Final answer
    x = 155,529.11

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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.