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Finding the Fourth Proportional to 299,430.80, 448,843.80 and 149,440.40

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Solution

The fourth proportional to 299,430.80, 448,843.80 and 149,440.40 is: 224,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,430.80 : 448,843.80 = 149,440.40 : x
  2. Step 2: Convert to fraction form
    299,430.80/448,843.80 = 149,440.40/x
  3. Step 3: Cross multiply
    299,430.80x = 448,843.80 × 149,440.40
  4. Step 4: Simplify right side
    299,430.80x = 67,075,397,009.52
  5. Step 5: Solve for x
    x = 67,075,397,009.52/299,430.80
  6. Step 6: Final answer
    x = 224,009.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.