Home / 309,040.28-465,666.16-254,110.86

Finding the Fourth Proportional to 309,040.28, 465,666.16 and 254,110.86

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Solution

The fourth proportional to 309,040.28, 465,666.16 and 254,110.86 is: 382,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,040.28 : 465,666.16 = 254,110.86 : x
  2. Step 2: Convert to fraction form
    309,040.28/465,666.16 = 254,110.86/x
  3. Step 3: Cross multiply
    309,040.28x = 465,666.16 × 254,110.86
  4. Step 4: Simplify right side
    309,040.28x = 118,330,828,390.50
  5. Step 5: Solve for x
    x = 118,330,828,390.50/309,040.28
  6. Step 6: Final answer
    x = 382,897.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.