Home / 305,431.02-421,484.45-184,550.94

Finding the Fourth Proportional to 305,431.02, 421,484.45 and 184,550.94

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Solution

The fourth proportional to 305,431.02, 421,484.45 and 184,550.94 is: 254,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,431.02 : 421,484.45 = 184,550.94 : x
  2. Step 2: Convert to fraction form
    305,431.02/421,484.45 = 184,550.94/x
  3. Step 3: Cross multiply
    305,431.02x = 421,484.45 × 184,550.94
  4. Step 4: Simplify right side
    305,431.02x = 77,785,350,520.13
  5. Step 5: Solve for x
    x = 77,785,350,520.13/305,431.02
  6. Step 6: Final answer
    x = 254,674.04

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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.