Home / 283,026.10-390,569.64-162,238.60

Finding the Fourth Proportional to 283,026.10, 390,569.64 and 162,238.60

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Solution

The fourth proportional to 283,026.10, 390,569.64 and 162,238.60 is: 223,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,026.10 : 390,569.64 = 162,238.60 : x
  2. Step 2: Convert to fraction form
    283,026.10/390,569.64 = 162,238.60/x
  3. Step 3: Cross multiply
    283,026.10x = 390,569.64 × 162,238.60
  4. Step 4: Simplify right side
    283,026.10x = 63,365,471,596.10
  5. Step 5: Solve for x
    x = 63,365,471,596.10/283,026.10
  6. Step 6: Final answer
    x = 223,885.61

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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.