Home / 412,853.04-619,130.95-142,907.83

Finding the Fourth Proportional to 412,853.04, 619,130.95 and 142,907.83

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Solution

The fourth proportional to 412,853.04, 619,130.95 and 142,907.83 is: 214,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,853.04 : 619,130.95 = 142,907.83 : x
  2. Step 2: Convert to fraction form
    412,853.04/619,130.95 = 142,907.83/x
  3. Step 3: Cross multiply
    412,853.04x = 619,130.95 × 142,907.83
  4. Step 4: Simplify right side
    412,853.04x = 88,478,658,645.24
  5. Step 5: Solve for x
    x = 88,478,658,645.24/412,853.04
  6. Step 6: Final answer
    x = 214,310.30

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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.