Home / 293,106.32-439,511.64-208,818.32

Finding the Fourth Proportional to 293,106.32, 439,511.64 and 208,818.32

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Solution

The fourth proportional to 293,106.32, 439,511.64 and 208,818.32 is: 313,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,106.32 : 439,511.64 = 208,818.32 : x
  2. Step 2: Convert to fraction form
    293,106.32/439,511.64 = 208,818.32/x
  3. Step 3: Cross multiply
    293,106.32x = 439,511.64 × 208,818.32
  4. Step 4: Simplify right side
    293,106.32x = 91,778,082,285.24
  5. Step 5: Solve for x
    x = 91,778,082,285.24/293,106.32
  6. Step 6: Final answer
    x = 313,122.15

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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.