Home / 272,883.24-408,569.13-139,476.24

Finding the Fourth Proportional to 272,883.24, 408,569.13 and 139,476.24

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Solution

The fourth proportional to 272,883.24, 408,569.13 and 139,476.24 is: 208,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,883.24 : 408,569.13 = 139,476.24 : x
  2. Step 2: Convert to fraction form
    272,883.24/408,569.13 = 139,476.24/x
  3. Step 3: Cross multiply
    272,883.24x = 408,569.13 × 139,476.24
  4. Step 4: Simplify right side
    272,883.24x = 56,985,686,032.47
  5. Step 5: Solve for x
    x = 56,985,686,032.47/272,883.24
  6. Step 6: Final answer
    x = 208,828.09

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1.5x scale

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.