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Finding the Fourth Proportional to 370,590.24, 555,881.36 and 90,107.76

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Solution

The fourth proportional to 370,590.24, 555,881.36 and 90,107.76 is: 135,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,590.24 : 555,881.36 = 90,107.76 : x
  2. Step 2: Convert to fraction form
    370,590.24/555,881.36 = 90,107.76/x
  3. Step 3: Cross multiply
    370,590.24x = 555,881.36 × 90,107.76
  4. Step 4: Simplify right side
    370,590.24x = 50,089,224,175.35
  5. Step 5: Solve for x
    x = 50,089,224,175.35/370,590.24
  6. Step 6: Final answer
    x = 135,160.67

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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.