Home / 549,099.70-823,784.55-189,276.10

Finding the Fourth Proportional to 549,099.70, 823,784.55 and 189,276.10

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Solution

The fourth proportional to 549,099.70, 823,784.55 and 189,276.10 is: 283,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,099.70 : 823,784.55 = 189,276.10 : x
  2. Step 2: Convert to fraction form
    549,099.70/823,784.55 = 189,276.10/x
  3. Step 3: Cross multiply
    549,099.70x = 823,784.55 × 189,276.10
  4. Step 4: Simplify right side
    549,099.70x = 155,922,726,864.26
  5. Step 5: Solve for x
    x = 155,922,726,864.26/549,099.70
  6. Step 6: Final answer
    x = 283,960.68

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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.