Home / 453,259.46-679,815.28-133,336.50

Finding the Fourth Proportional to 453,259.46, 679,815.28 and 133,336.50

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Solution

The fourth proportional to 453,259.46, 679,815.28 and 133,336.50 is: 199,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,259.46 : 679,815.28 = 133,336.50 : x
  2. Step 2: Convert to fraction form
    453,259.46/679,815.28 = 133,336.50/x
  3. Step 3: Cross multiply
    453,259.46x = 679,815.28 × 133,336.50
  4. Step 4: Simplify right side
    453,259.46x = 90,644,189,415.04
  5. Step 5: Solve for x
    x = 90,644,189,415.04/453,259.46
  6. Step 6: Final answer
    x = 199,983.01

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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.