Home / 274,702.61-379,071.56-153,816.19

Finding the Fourth Proportional to 274,702.61, 379,071.56 and 153,816.19

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Solution

The fourth proportional to 274,702.61, 379,071.56 and 153,816.19 is: 212,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,702.61 : 379,071.56 = 153,816.19 : x
  2. Step 2: Convert to fraction form
    274,702.61/379,071.56 = 153,816.19/x
  3. Step 3: Cross multiply
    274,702.61x = 379,071.56 × 153,816.19
  4. Step 4: Simplify right side
    274,702.61x = 58,307,342,533.42
  5. Step 5: Solve for x
    x = 58,307,342,533.42/274,702.61
  6. Step 6: Final answer
    x = 212,256.24

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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.