Home / 447,774.40-617,927.70-243,822.16

Finding the Fourth Proportional to 447,774.40, 617,927.70 and 243,822.16

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Solution

The fourth proportional to 447,774.40, 617,927.70 and 243,822.16 is: 336,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,774.40 : 617,927.70 = 243,822.16 : x
  2. Step 2: Convert to fraction form
    447,774.40/617,927.70 = 243,822.16/x
  3. Step 3: Cross multiply
    447,774.40x = 617,927.70 × 243,822.16
  4. Step 4: Simplify right side
    447,774.40x = 150,664,466,537.83
  5. Step 5: Solve for x
    x = 150,664,466,537.83/447,774.40
  6. Step 6: Final answer
    x = 336,474.05

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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.