Home / 470,176.33-648,825.36-255,311.68

Finding the Fourth Proportional to 470,176.33, 648,825.36 and 255,311.68

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Solution

The fourth proportional to 470,176.33, 648,825.36 and 255,311.68 is: 352,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,176.33 : 648,825.36 = 255,311.68 : x
  2. Step 2: Convert to fraction form
    470,176.33/648,825.36 = 255,311.68/x
  3. Step 3: Cross multiply
    470,176.33x = 648,825.36 × 255,311.68
  4. Step 4: Simplify right side
    470,176.33x = 165,652,692,688.21
  5. Step 5: Solve for x
    x = 165,652,692,688.21/470,176.33
  6. Step 6: Final answer
    x = 352,320.36

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1.5x scale

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.