Home / 384,491.12-529,841.74-293,949.32

Finding the Fourth Proportional to 384,491.12, 529,841.74 and 293,949.32

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Solution

The fourth proportional to 384,491.12, 529,841.74 and 293,949.32 is: 405,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,491.12 : 529,841.74 = 293,949.32 : x
  2. Step 2: Convert to fraction form
    384,491.12/529,841.74 = 293,949.32/x
  3. Step 3: Cross multiply
    384,491.12x = 529,841.74 × 293,949.32
  4. Step 4: Simplify right side
    384,491.12x = 155,746,619,180.62
  5. Step 5: Solve for x
    x = 155,746,619,180.62/384,491.12
  6. Step 6: Final answer
    x = 405,072.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.