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Finding the Fourth Proportional to 436,846.16, 602,782.68 and 245,848.16

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Solution

The fourth proportional to 436,846.16, 602,782.68 and 245,848.16 is: 339,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,846.16 : 602,782.68 = 245,848.16 : x
  2. Step 2: Convert to fraction form
    436,846.16/602,782.68 = 245,848.16/x
  3. Step 3: Cross multiply
    436,846.16x = 602,782.68 × 245,848.16
  4. Step 4: Simplify right side
    436,846.16x = 148,193,012,757.87
  5. Step 5: Solve for x
    x = 148,193,012,757.87/436,846.16
  6. Step 6: Final answer
    x = 339,233.87

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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.