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Finding the Fourth Proportional to 449,566.60, 620,444.82 and 245,648.52

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Solution

The fourth proportional to 449,566.60, 620,444.82 and 245,648.52 is: 339,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,566.60 : 620,444.82 = 245,648.52 : x
  2. Step 2: Convert to fraction form
    449,566.60/620,444.82 = 245,648.52/x
  3. Step 3: Cross multiply
    449,566.60x = 620,444.82 × 245,648.52
  4. Step 4: Simplify right side
    449,566.60x = 152,411,351,774.67
  5. Step 5: Solve for x
    x = 152,411,351,774.67/449,566.60
  6. Step 6: Final answer
    x = 339,018.41

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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.