Home / 384,389.03-576,678.72-114,515.97

Finding the Fourth Proportional to 384,389.03, 576,678.72 and 114,515.97

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Solution

The fourth proportional to 384,389.03, 576,678.72 and 114,515.97 is: 171,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,389.03 : 576,678.72 = 114,515.97 : x
  2. Step 2: Convert to fraction form
    384,389.03/576,678.72 = 114,515.97/x
  3. Step 3: Cross multiply
    384,389.03x = 576,678.72 × 114,515.97
  4. Step 4: Simplify right side
    384,389.03x = 66,038,920,621.90
  5. Step 5: Solve for x
    x = 66,038,920,621.90/384,389.03
  6. Step 6: Final answer
    x = 171,802.30

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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.