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Finding the Fourth Proportional to 449,300.93, 620,060.47 and 245,370.74

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Solution

The fourth proportional to 449,300.93, 620,060.47 and 245,370.74 is: 338,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,300.93 : 620,060.47 = 245,370.74 : x
  2. Step 2: Convert to fraction form
    449,300.93/620,060.47 = 245,370.74/x
  3. Step 3: Cross multiply
    449,300.93x = 620,060.47 × 245,370.74
  4. Step 4: Simplify right side
    449,300.93x = 152,144,692,654.92
  5. Step 5: Solve for x
    x = 152,144,692,654.92/449,300.93
  6. Step 6: Final answer
    x = 338,625.37

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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.