Home / 283,092.30-390,622.77-162,210.33

Finding the Fourth Proportional to 283,092.30, 390,622.77 and 162,210.33

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Solution

The fourth proportional to 283,092.30, 390,622.77 and 162,210.33 is: 223,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,092.30 : 390,622.77 = 162,210.33 : x
  2. Step 2: Convert to fraction form
    283,092.30/390,622.77 = 162,210.33/x
  3. Step 3: Cross multiply
    283,092.30x = 390,622.77 × 162,210.33
  4. Step 4: Simplify right side
    283,092.30x = 63,363,048,427.21
  5. Step 5: Solve for x
    x = 63,363,048,427.21/283,092.30
  6. Step 6: Final answer
    x = 223,824.70

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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.