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Finding the Fourth Proportional to 370,027.63, 552,363.98 and 325,188.46

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Solution

The fourth proportional to 370,027.63, 552,363.98 and 325,188.46 is: 485,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,027.63 : 552,363.98 = 325,188.46 : x
  2. Step 2: Convert to fraction form
    370,027.63/552,363.98 = 325,188.46/x
  3. Step 3: Cross multiply
    370,027.63x = 552,363.98 × 325,188.46
  4. Step 4: Simplify right side
    370,027.63x = 179,622,392,015.67
  5. Step 5: Solve for x
    x = 179,622,392,015.67/370,027.63
  6. Step 6: Final answer
    x = 485,429.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.