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Finding the Fourth Proportional to 320,693.33, 442,603.51 and 184,700.81

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Solution

The fourth proportional to 320,693.33, 442,603.51 and 184,700.81 is: 254,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,693.33 : 442,603.51 = 184,700.81 : x
  2. Step 2: Convert to fraction form
    320,693.33/442,603.51 = 184,700.81/x
  3. Step 3: Cross multiply
    320,693.33x = 442,603.51 × 184,700.81
  4. Step 4: Simplify right side
    320,693.33x = 81,749,226,805.84
  5. Step 5: Solve for x
    x = 81,749,226,805.84/320,693.33
  6. Step 6: Final answer
    x = 254,914.02

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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.