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Finding the Fourth Proportional to 268,329.53, 370,299.08 and 153,607.71

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Solution

The fourth proportional to 268,329.53, 370,299.08 and 153,607.71 is: 211,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,329.53 : 370,299.08 = 153,607.71 : x
  2. Step 2: Convert to fraction form
    268,329.53/370,299.08 = 153,607.71/x
  3. Step 3: Cross multiply
    268,329.53x = 370,299.08 × 153,607.71
  4. Step 4: Simplify right side
    268,329.53x = 56,880,794,890.52
  5. Step 5: Solve for x
    x = 56,880,794,890.52/268,329.53
  6. Step 6: Final answer
    x = 211,981.12

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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.