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Finding the Fourth Proportional to 370,672.77, 556,094.67 and 157,447.56

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Solution

The fourth proportional to 370,672.77, 556,094.67 and 157,447.56 is: 236,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,672.77 : 556,094.67 = 157,447.56 : x
  2. Step 2: Convert to fraction form
    370,672.77/556,094.67 = 157,447.56/x
  3. Step 3: Cross multiply
    370,672.77x = 556,094.67 × 157,447.56
  4. Step 4: Simplify right side
    370,672.77x = 87,555,750,415.43
  5. Step 5: Solve for x
    x = 87,555,750,415.43/370,672.77
  6. Step 6: Final answer
    x = 236,207.67

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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.