Home / 303,971.10-455,964.45-144,009.57

Finding the Fourth Proportional to 303,971.10, 455,964.45 and 144,009.57

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Solution

The fourth proportional to 303,971.10, 455,964.45 and 144,009.57 is: 216,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,971.10 : 455,964.45 = 144,009.57 : x
  2. Step 2: Convert to fraction form
    303,971.10/455,964.45 = 144,009.57/x
  3. Step 3: Cross multiply
    303,971.10x = 455,964.45 × 144,009.57
  4. Step 4: Simplify right side
    303,971.10x = 65,663,244,379.79
  5. Step 5: Solve for x
    x = 65,663,244,379.79/303,971.10
  6. Step 6: Final answer
    x = 216,018.05

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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.