Home / 277,979.18-383,608.47-155,470.27

Finding the Fourth Proportional to 277,979.18, 383,608.47 and 155,470.27

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Solution

The fourth proportional to 277,979.18, 383,608.47 and 155,470.27 is: 214,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,979.18 : 383,608.47 = 155,470.27 : x
  2. Step 2: Convert to fraction form
    277,979.18/383,608.47 = 155,470.27/x
  3. Step 3: Cross multiply
    277,979.18x = 383,608.47 × 155,470.27
  4. Step 4: Simplify right side
    277,979.18x = 59,639,712,405.19
  5. Step 5: Solve for x
    x = 59,639,712,405.19/277,979.18
  6. Step 6: Final answer
    x = 214,547.41

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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.