Home / 470,087.52-648,717.08-255,223.28

Finding the Fourth Proportional to 470,087.52, 648,717.08 and 255,223.28

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Solution

The fourth proportional to 470,087.52, 648,717.08 and 255,223.28 is: 352,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,087.52 : 648,717.08 = 255,223.28 : x
  2. Step 2: Convert to fraction form
    470,087.52/648,717.08 = 255,223.28/x
  3. Step 3: Cross multiply
    470,087.52x = 648,717.08 × 255,223.28
  4. Step 4: Simplify right side
    470,087.52x = 165,567,700,949.62
  5. Step 5: Solve for x
    x = 165,567,700,949.62/470,087.52
  6. Step 6: Final answer
    x = 352,206.12

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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.