Home / 305,000.02-420,799.20-184,095.37

Finding the Fourth Proportional to 305,000.02, 420,799.20 and 184,095.37

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Solution

The fourth proportional to 305,000.02, 420,799.20 and 184,095.37 is: 253,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,000.02 : 420,799.20 = 184,095.37 : x
  2. Step 2: Convert to fraction form
    305,000.02/420,799.20 = 184,095.37/x
  3. Step 3: Cross multiply
    305,000.02x = 420,799.20 × 184,095.37
  4. Step 4: Simplify right side
    305,000.02x = 77,467,184,419.70
  5. Step 5: Solve for x
    x = 77,467,184,419.70/305,000.02
  6. Step 6: Final answer
    x = 253,990.75

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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.