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Finding the Fourth Proportional to 248,009.72, 342,253.76 and 134,832.47

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Solution

The fourth proportional to 248,009.72, 342,253.76 and 134,832.47 is: 186,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,009.72 : 342,253.76 = 134,832.47 : x
  2. Step 2: Convert to fraction form
    248,009.72/342,253.76 = 134,832.47/x
  3. Step 3: Cross multiply
    248,009.72x = 342,253.76 × 134,832.47
  4. Step 4: Simplify right side
    248,009.72x = 46,146,917,442.16
  5. Step 5: Solve for x
    x = 46,146,917,442.16/248,009.72
  6. Step 6: Final answer
    x = 186,068.99

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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.