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Finding the Fourth Proportional to 254,279.81, 350,910.59 and 139,569.18

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Solution

The fourth proportional to 254,279.81, 350,910.59 and 139,569.18 is: 192,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,279.81 : 350,910.59 = 139,569.18 : x
  2. Step 2: Convert to fraction form
    254,279.81/350,910.59 = 139,569.18/x
  3. Step 3: Cross multiply
    254,279.81x = 350,910.59 × 139,569.18
  4. Step 4: Simplify right side
    254,279.81x = 48,976,302,601.77
  5. Step 5: Solve for x
    x = 48,976,302,601.77/254,279.81
  6. Step 6: Final answer
    x = 192,607.91

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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.