Home / 320,332.18-442,169.73-184,420.30

Finding the Fourth Proportional to 320,332.18, 442,169.73 and 184,420.30

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Solution

The fourth proportional to 320,332.18, 442,169.73 and 184,420.30 is: 254,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,332.18 : 442,169.73 = 184,420.30 : x
  2. Step 2: Convert to fraction form
    320,332.18/442,169.73 = 184,420.30/x
  3. Step 3: Cross multiply
    320,332.18x = 442,169.73 × 184,420.30
  4. Step 4: Simplify right side
    320,332.18x = 81,545,074,257.52
  5. Step 5: Solve for x
    x = 81,545,074,257.52/320,332.18
  6. Step 6: Final answer
    x = 254,564.10

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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.