Home / 305,534.16-421,639.94-184,756.18

Finding the Fourth Proportional to 305,534.16, 421,639.94 and 184,756.18

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Solution

The fourth proportional to 305,534.16, 421,639.94 and 184,756.18 is: 254,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,534.16 : 421,639.94 = 184,756.18 : x
  2. Step 2: Convert to fraction form
    305,534.16/421,639.94 = 184,756.18/x
  3. Step 3: Cross multiply
    305,534.16x = 421,639.94 × 184,756.18
  4. Step 4: Simplify right side
    305,534.16x = 77,900,584,649.83
  5. Step 5: Solve for x
    x = 77,900,584,649.83/305,534.16
  6. Step 6: Final answer
    x = 254,965.22

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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.