Home / 374,267.79-561,624.03-137,776.55

Finding the Fourth Proportional to 374,267.79, 561,624.03 and 137,776.55

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Solution

The fourth proportional to 374,267.79, 561,624.03 and 137,776.55 is: 206,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,267.79 : 561,624.03 = 137,776.55 : x
  2. Step 2: Convert to fraction form
    374,267.79/561,624.03 = 137,776.55/x
  3. Step 3: Cross multiply
    374,267.79x = 561,624.03 × 137,776.55
  4. Step 4: Simplify right side
    374,267.79x = 77,378,618,442.38
  5. Step 5: Solve for x
    x = 77,378,618,442.38/374,267.79
  6. Step 6: Final answer
    x = 206,746.67

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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.