Home / 283,009.55-390,608.93-162,231.86

Finding the Fourth Proportional to 283,009.55, 390,608.93 and 162,231.86

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Solution

The fourth proportional to 283,009.55, 390,608.93 and 162,231.86 is: 223,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,009.55 : 390,608.93 = 162,231.86 : x
  2. Step 2: Convert to fraction form
    283,009.55/390,608.93 = 162,231.86/x
  3. Step 3: Cross multiply
    283,009.55x = 390,608.93 × 162,231.86
  4. Step 4: Simplify right side
    283,009.55x = 63,369,214,628.61
  5. Step 5: Solve for x
    x = 63,369,214,628.61/283,009.55
  6. Step 6: Final answer
    x = 223,911.93

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1.5x scale

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.