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Finding the Fourth Proportional to 300,088.08, 450,000.84 and 142,361.52

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Solution

The fourth proportional to 300,088.08, 450,000.84 and 142,361.52 is: 213,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,088.08 : 450,000.84 = 142,361.52 : x
  2. Step 2: Convert to fraction form
    300,088.08/450,000.84 = 142,361.52/x
  3. Step 3: Cross multiply
    300,088.08x = 450,000.84 × 142,361.52
  4. Step 4: Simplify right side
    300,088.08x = 64,062,803,583.68
  5. Step 5: Solve for x
    x = 64,062,803,583.68/300,088.08
  6. Step 6: Final answer
    x = 213,480.00

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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.