Home / 330,480-495,718.79-93,822.71

Finding the Fourth Proportional to 330,480, 495,718.79 and 93,822.71

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Solution

The fourth proportional to 330,480, 495,718.79 and 93,822.71 is: 140,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,480 : 495,718.79 = 93,822.71 : x
  2. Step 2: Convert to fraction form
    330,480/495,718.79 = 93,822.71/x
  3. Step 3: Cross multiply
    330,480x = 495,718.79 × 93,822.71
  4. Step 4: Simplify right side
    330,480x = 46,509,677,328.01
  5. Step 5: Solve for x
    x = 46,509,677,328.01/330,480
  6. Step 6: Final answer
    x = 140,733.71

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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.