Home / 303,981.36-456,167.88-163,837.68

Finding the Fourth Proportional to 303,981.36, 456,167.88 and 163,837.68

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Solution

The fourth proportional to 303,981.36, 456,167.88 and 163,837.68 is: 245,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,981.36 : 456,167.88 = 163,837.68 : x
  2. Step 2: Convert to fraction form
    303,981.36/456,167.88 = 163,837.68/x
  3. Step 3: Cross multiply
    303,981.36x = 456,167.88 × 163,837.68
  4. Step 4: Simplify right side
    303,981.36x = 74,737,487,149.72
  5. Step 5: Solve for x
    x = 74,737,487,149.72/303,981.36
  6. Step 6: Final answer
    x = 245,862.07

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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.