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Finding the Fourth Proportional to 269,303.59, 371,624.52 and 148,420.81

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Solution

The fourth proportional to 269,303.59, 371,624.52 and 148,420.81 is: 204,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,303.59 : 371,624.52 = 148,420.81 : x
  2. Step 2: Convert to fraction form
    269,303.59/371,624.52 = 148,420.81/x
  3. Step 3: Cross multiply
    269,303.59x = 371,624.52 × 148,420.81
  4. Step 4: Simplify right side
    269,303.59x = 55,156,812,274.26
  5. Step 5: Solve for x
    x = 55,156,812,274.26/269,303.59
  6. Step 6: Final answer
    x = 204,812.76

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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.