Home / 314,651.20-472,045.16-114,971.28

Finding the Fourth Proportional to 314,651.20, 472,045.16 and 114,971.28

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Solution

The fourth proportional to 314,651.20, 472,045.16 and 114,971.28 is: 172,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,651.20 : 472,045.16 = 114,971.28 : x
  2. Step 2: Convert to fraction form
    314,651.20/472,045.16 = 114,971.28/x
  3. Step 3: Cross multiply
    314,651.20x = 472,045.16 × 114,971.28
  4. Step 4: Simplify right side
    314,651.20x = 54,271,636,263.00
  5. Step 5: Solve for x
    x = 54,271,636,263.00/314,651.20
  6. Step 6: Final answer
    x = 172,481.90

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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.