Home / 290,333.07-400,649.31-163,014.03

Finding the Fourth Proportional to 290,333.07, 400,649.31 and 163,014.03

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Solution

The fourth proportional to 290,333.07, 400,649.31 and 163,014.03 is: 224,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,333.07 : 400,649.31 = 163,014.03 : x
  2. Step 2: Convert to fraction form
    290,333.07/400,649.31 = 163,014.03/x
  3. Step 3: Cross multiply
    290,333.07x = 400,649.31 × 163,014.03
  4. Step 4: Simplify right side
    290,333.07x = 65,311,458,639.82
  5. Step 5: Solve for x
    x = 65,311,458,639.82/290,333.07
  6. Step 6: Final answer
    x = 224,953.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.