Home / 447,775.40-617,929.08-243,823.16

Finding the Fourth Proportional to 447,775.40, 617,929.08 and 243,823.16

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Solution

The fourth proportional to 447,775.40, 617,929.08 and 243,823.16 is: 336,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,775.40 : 617,929.08 = 243,823.16 : x
  2. Step 2: Convert to fraction form
    447,775.40/617,929.08 = 243,823.16/x
  3. Step 3: Cross multiply
    447,775.40x = 617,929.08 × 243,823.16
  4. Step 4: Simplify right side
    447,775.40x = 150,665,420,941.49
  5. Step 5: Solve for x
    x = 150,665,420,941.49/447,775.40
  6. Step 6: Final answer
    x = 336,475.43

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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.