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Finding the Fourth Proportional to 219,600.77, 302,937.77 and 138,892.37

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Solution

The fourth proportional to 219,600.77, 302,937.77 and 138,892.37 is: 191,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,600.77 : 302,937.77 = 138,892.37 : x
  2. Step 2: Convert to fraction form
    219,600.77/302,937.77 = 138,892.37/x
  3. Step 3: Cross multiply
    219,600.77x = 302,937.77 × 138,892.37
  4. Step 4: Simplify right side
    219,600.77x = 42,075,743,670.36
  5. Step 5: Solve for x
    x = 42,075,743,670.36/219,600.77
  6. Step 6: Final answer
    x = 191,601.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.