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Finding the Fourth Proportional to 224,263.87, 336,395.81 and 153,929.95

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Solution

The fourth proportional to 224,263.87, 336,395.81 and 153,929.95 is: 230,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,263.87 : 336,395.81 = 153,929.95 : x
  2. Step 2: Convert to fraction form
    224,263.87/336,395.81 = 153,929.95/x
  3. Step 3: Cross multiply
    224,263.87x = 336,395.81 × 153,929.95
  4. Step 4: Simplify right side
    224,263.87x = 51,781,390,213.51
  5. Step 5: Solve for x
    x = 51,781,390,213.51/224,263.87
  6. Step 6: Final answer
    x = 230,894.93

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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.