Home / 470,004.64-648,601.84-255,140.08

Finding the Fourth Proportional to 470,004.64, 648,601.84 and 255,140.08

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Solution

The fourth proportional to 470,004.64, 648,601.84 and 255,140.08 is: 352,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,004.64 : 648,601.84 = 255,140.08 : x
  2. Step 2: Convert to fraction form
    470,004.64/648,601.84 = 255,140.08/x
  3. Step 3: Cross multiply
    470,004.64x = 648,601.84 × 255,140.08
  4. Step 4: Simplify right side
    470,004.64x = 165,484,325,345.75
  5. Step 5: Solve for x
    x = 165,484,325,345.75/470,004.64
  6. Step 6: Final answer
    x = 352,090.83

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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.