Home / 240,649.32-331,880.58-155,677.80

Finding the Fourth Proportional to 240,649.32, 331,880.58 and 155,677.80

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Solution

The fourth proportional to 240,649.32, 331,880.58 and 155,677.80 is: 214,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,649.32 : 331,880.58 = 155,677.80 : x
  2. Step 2: Convert to fraction form
    240,649.32/331,880.58 = 155,677.80/x
  3. Step 3: Cross multiply
    240,649.32x = 331,880.58 × 155,677.80
  4. Step 4: Simplify right side
    240,649.32x = 51,666,438,557.12
  5. Step 5: Solve for x
    x = 51,666,438,557.12/240,649.32
  6. Step 6: Final answer
    x = 214,695.97

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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.