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Finding the Fourth Proportional to 479,492, 719,272.56 and 184,004

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Solution

The fourth proportional to 479,492, 719,272.56 and 184,004 is: 276,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,492 : 719,272.56 = 184,004 : x
  2. Step 2: Convert to fraction form
    479,492/719,272.56 = 184,004/x
  3. Step 3: Cross multiply
    479,492x = 719,272.56 × 184,004
  4. Step 4: Simplify right side
    479,492x = 132,349,028,130.24
  5. Step 5: Solve for x
    x = 132,349,028,130.24/479,492
  6. Step 6: Final answer
    x = 276,019.26

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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.