Home / 336,987.23-505,479.41-137,263.07

Finding the Fourth Proportional to 336,987.23, 505,479.41 and 137,263.07

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Solution

The fourth proportional to 336,987.23, 505,479.41 and 137,263.07 is: 205,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,987.23 : 505,479.41 = 137,263.07 : x
  2. Step 2: Convert to fraction form
    336,987.23/505,479.41 = 137,263.07/x
  3. Step 3: Cross multiply
    336,987.23x = 505,479.41 × 137,263.07
  4. Step 4: Simplify right side
    336,987.23x = 69,383,656,730.51
  5. Step 5: Solve for x
    x = 69,383,656,730.51/336,987.23
  6. Step 6: Final answer
    x = 205,894.02

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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.