Home / 305,127.24-421,085.52-169,173.83

Finding the Fourth Proportional to 305,127.24, 421,085.52 and 169,173.83

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Solution

The fourth proportional to 305,127.24, 421,085.52 and 169,173.83 is: 233,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,127.24 : 421,085.52 = 169,173.83 : x
  2. Step 2: Convert to fraction form
    305,127.24/421,085.52 = 169,173.83/x
  3. Step 3: Cross multiply
    305,127.24x = 421,085.52 × 169,173.83
  4. Step 4: Simplify right side
    305,127.24x = 71,236,651,228.66
  5. Step 5: Solve for x
    x = 71,236,651,228.66/305,127.24
  6. Step 6: Final answer
    x = 233,465.40

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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.