Home / 305,424.02-421,477.26-169,457.42

Finding the Fourth Proportional to 305,424.02, 421,477.26 and 169,457.42

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Solution

The fourth proportional to 305,424.02, 421,477.26 and 169,457.42 is: 233,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,424.02 : 421,477.26 = 169,457.42 : x
  2. Step 2: Convert to fraction form
    305,424.02/421,477.26 = 169,457.42/x
  3. Step 3: Cross multiply
    305,424.02x = 421,477.26 × 169,457.42
  4. Step 4: Simplify right side
    305,424.02x = 71,422,449,068.27
  5. Step 5: Solve for x
    x = 71,422,449,068.27/305,424.02
  6. Step 6: Final answer
    x = 233,846.86

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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.