Home / 446,581.40-670,649.70-236,629.40

Finding the Fourth Proportional to 446,581.40, 670,649.70 and 236,629.40

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Solution

The fourth proportional to 446,581.40, 670,649.70 and 236,629.40 is: 355,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,581.40 : 670,649.70 = 236,629.40 : x
  2. Step 2: Convert to fraction form
    446,581.40/670,649.70 = 236,629.40/x
  3. Step 3: Cross multiply
    446,581.40x = 670,649.70 × 236,629.40
  4. Step 4: Simplify right side
    446,581.40x = 158,695,436,121.18
  5. Step 5: Solve for x
    x = 158,695,436,121.18/446,581.40
  6. Step 6: Final answer
    x = 355,356.13

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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.