Home / 350,929.64-484,281.51-189,784.87

Finding the Fourth Proportional to 350,929.64, 484,281.51 and 189,784.87

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Solution

The fourth proportional to 350,929.64, 484,281.51 and 189,784.87 is: 261,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,929.64 : 484,281.51 = 189,784.87 : x
  2. Step 2: Convert to fraction form
    350,929.64/484,281.51 = 189,784.87/x
  3. Step 3: Cross multiply
    350,929.64x = 484,281.51 × 189,784.87
  4. Step 4: Simplify right side
    350,929.64x = 91,909,300,997.35
  5. Step 5: Solve for x
    x = 91,909,300,997.35/350,929.64
  6. Step 6: Final answer
    x = 261,902.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.