Home / 325,330.96-488,021.40-112,011.28

Finding the Fourth Proportional to 325,330.96, 488,021.40 and 112,011.28

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Solution

The fourth proportional to 325,330.96, 488,021.40 and 112,011.28 is: 168,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,330.96 : 488,021.40 = 112,011.28 : x
  2. Step 2: Convert to fraction form
    325,330.96/488,021.40 = 112,011.28/x
  3. Step 3: Cross multiply
    325,330.96x = 488,021.40 × 112,011.28
  4. Step 4: Simplify right side
    325,330.96x = 54,663,901,681.39
  5. Step 5: Solve for x
    x = 54,663,901,681.39/325,330.96
  6. Step 6: Final answer
    x = 168,025.51

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1.5x scale

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.