Home / 403,275.20-604,912.79-122,792.45

Finding the Fourth Proportional to 403,275.20, 604,912.79 and 122,792.45

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Solution

The fourth proportional to 403,275.20, 604,912.79 and 122,792.45 is: 184,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,275.20 : 604,912.79 = 122,792.45 : x
  2. Step 2: Convert to fraction form
    403,275.20/604,912.79 = 122,792.45/x
  3. Step 3: Cross multiply
    403,275.20x = 604,912.79 × 122,792.45
  4. Step 4: Simplify right side
    403,275.20x = 74,278,719,881.91
  5. Step 5: Solve for x
    x = 74,278,719,881.91/403,275.20
  6. Step 6: Final answer
    x = 184,188.67

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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.