Home / 421,705.02-581,962.24-230,718.36

Finding the Fourth Proportional to 421,705.02, 581,962.24 and 230,718.36

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Solution

The fourth proportional to 421,705.02, 581,962.24 and 230,718.36 is: 318,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,705.02 : 581,962.24 = 230,718.36 : x
  2. Step 2: Convert to fraction form
    421,705.02/581,962.24 = 230,718.36/x
  3. Step 3: Cross multiply
    421,705.02x = 581,962.24 × 230,718.36
  4. Step 4: Simplify right side
    421,705.02x = 134,269,373,594.73
  5. Step 5: Solve for x
    x = 134,269,373,594.73/421,705.02
  6. Step 6: Final answer
    x = 318,396.43

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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.