Home / 277,639.72-383,143.02-150,315.40

Finding the Fourth Proportional to 277,639.72, 383,143.02 and 150,315.40

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Solution

The fourth proportional to 277,639.72, 383,143.02 and 150,315.40 is: 207,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,639.72 : 383,143.02 = 150,315.40 : x
  2. Step 2: Convert to fraction form
    277,639.72/383,143.02 = 150,315.40/x
  3. Step 3: Cross multiply
    277,639.72x = 383,143.02 × 150,315.40
  4. Step 4: Simplify right side
    277,639.72x = 57,592,296,308.51
  5. Step 5: Solve for x
    x = 57,592,296,308.51/277,639.72
  6. Step 6: Final answer
    x = 207,435.36

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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.