Home / 240,721.07-332,206.47-145,225.71

Finding the Fourth Proportional to 240,721.07, 332,206.47 and 145,225.71

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Solution

The fourth proportional to 240,721.07, 332,206.47 and 145,225.71 is: 200,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,721.07 : 332,206.47 = 145,225.71 : x
  2. Step 2: Convert to fraction form
    240,721.07/332,206.47 = 145,225.71/x
  3. Step 3: Cross multiply
    240,721.07x = 332,206.47 × 145,225.71
  4. Step 4: Simplify right side
    240,721.07x = 48,244,920,472.34
  5. Step 5: Solve for x
    x = 48,244,920,472.34/240,721.07
  6. Step 6: Final answer
    x = 200,418.36

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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.