Home / 305,735.35-421,953.71-184,877.50

Finding the Fourth Proportional to 305,735.35, 421,953.71 and 184,877.50

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Solution

The fourth proportional to 305,735.35, 421,953.71 and 184,877.50 is: 255,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,735.35 : 421,953.71 = 184,877.50 : x
  2. Step 2: Convert to fraction form
    305,735.35/421,953.71 = 184,877.50/x
  3. Step 3: Cross multiply
    305,735.35x = 421,953.71 × 184,877.50
  4. Step 4: Simplify right side
    305,735.35x = 78,009,748,768.70
  5. Step 5: Solve for x
    x = 78,009,748,768.70/305,735.35
  6. Step 6: Final answer
    x = 255,154.49

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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.