Home / 303,985.91-455,824.09-101,509.22

Finding the Fourth Proportional to 303,985.91, 455,824.09 and 101,509.22

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Solution

The fourth proportional to 303,985.91, 455,824.09 and 101,509.22 is: 152,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,985.91 : 455,824.09 = 101,509.22 : x
  2. Step 2: Convert to fraction form
    303,985.91/455,824.09 = 101,509.22/x
  3. Step 3: Cross multiply
    303,985.91x = 455,824.09 × 101,509.22
  4. Step 4: Simplify right side
    303,985.91x = 46,270,346,535.55
  5. Step 5: Solve for x
    x = 46,270,346,535.55/303,985.91
  6. Step 6: Final answer
    x = 152,212.14

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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.