Home / 320,330.76-442,100.34-184,361.91

Finding the Fourth Proportional to 320,330.76, 442,100.34 and 184,361.91

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Solution

The fourth proportional to 320,330.76, 442,100.34 and 184,361.91 is: 254,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,330.76 : 442,100.34 = 184,361.91 : x
  2. Step 2: Convert to fraction form
    320,330.76/442,100.34 = 184,361.91/x
  3. Step 3: Cross multiply
    320,330.76x = 442,100.34 × 184,361.91
  4. Step 4: Simplify right side
    320,330.76x = 81,506,463,094.05
  5. Step 5: Solve for x
    x = 81,506,463,094.05/320,330.76
  6. Step 6: Final answer
    x = 254,444.70

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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.