Home / 305,450.14-421,501.98-184,519.84

Finding the Fourth Proportional to 305,450.14, 421,501.98 and 184,519.84

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Solution

The fourth proportional to 305,450.14, 421,501.98 and 184,519.84 is: 254,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,450.14 : 421,501.98 = 184,519.84 : x
  2. Step 2: Convert to fraction form
    305,450.14/421,501.98 = 184,519.84/x
  3. Step 3: Cross multiply
    305,450.14x = 421,501.98 × 184,519.84
  4. Step 4: Simplify right side
    305,450.14x = 77,775,477,909.28
  5. Step 5: Solve for x
    x = 77,775,477,909.28/305,450.14
  6. Step 6: Final answer
    x = 254,625.77

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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.