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Finding the Fourth Proportional to 484,806.30, 727,209.45 and 152,382.30

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Solution

The fourth proportional to 484,806.30, 727,209.45 and 152,382.30 is: 228,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,806.30 : 727,209.45 = 152,382.30 : x
  2. Step 2: Convert to fraction form
    484,806.30/727,209.45 = 152,382.30/x
  3. Step 3: Cross multiply
    484,806.30x = 727,209.45 × 152,382.30
  4. Step 4: Simplify right side
    484,806.30x = 110,813,848,572.74
  5. Step 5: Solve for x
    x = 110,813,848,572.74/484,806.30
  6. Step 6: Final answer
    x = 228,573.45

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1.5x scale

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.