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Finding the Fourth Proportional to 449,762.04, 620,672.22 and 258,771.60

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Solution

The fourth proportional to 449,762.04, 620,672.22 and 258,771.60 is: 357,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,762.04 : 620,672.22 = 258,771.60 : x
  2. Step 2: Convert to fraction form
    449,762.04/620,672.22 = 258,771.60/x
  3. Step 3: Cross multiply
    449,762.04x = 620,672.22 × 258,771.60
  4. Step 4: Simplify right side
    449,762.04x = 160,612,343,444.95
  5. Step 5: Solve for x
    x = 160,612,343,444.95/449,762.04
  6. Step 6: Final answer
    x = 357,105.16

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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.