Home / 277,541.52-382,999.58-155,030.64

Finding the Fourth Proportional to 277,541.52, 382,999.58 and 155,030.64

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Solution

The fourth proportional to 277,541.52, 382,999.58 and 155,030.64 is: 213,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,541.52 : 382,999.58 = 155,030.64 : x
  2. Step 2: Convert to fraction form
    277,541.52/382,999.58 = 155,030.64/x
  3. Step 3: Cross multiply
    277,541.52x = 382,999.58 × 155,030.64
  4. Step 4: Simplify right side
    277,541.52x = 59,376,670,007.13
  5. Step 5: Solve for x
    x = 59,376,670,007.13/277,541.52
  6. Step 6: Final answer
    x = 213,937.97

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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.