Home / 384,200.94-576,293.35-128,052.05

Finding the Fourth Proportional to 384,200.94, 576,293.35 and 128,052.05

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Solution

The fourth proportional to 384,200.94, 576,293.35 and 128,052.05 is: 192,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,200.94 : 576,293.35 = 128,052.05 : x
  2. Step 2: Convert to fraction form
    384,200.94/576,293.35 = 128,052.05/x
  3. Step 3: Cross multiply
    384,200.94x = 576,293.35 × 128,052.05
  4. Step 4: Simplify right side
    384,200.94x = 73,795,543,888.34
  5. Step 5: Solve for x
    x = 73,795,543,888.34/384,200.94
  6. Step 6: Final answer
    x = 192,075.39

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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.