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Finding the Fourth Proportional to 340,712.08, 511,117.34 and 104,024.02

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Solution

The fourth proportional to 340,712.08, 511,117.34 and 104,024.02 is: 156,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,712.08 : 511,117.34 = 104,024.02 : x
  2. Step 2: Convert to fraction form
    340,712.08/511,117.34 = 104,024.02/x
  3. Step 3: Cross multiply
    340,712.08x = 511,117.34 × 104,024.02
  4. Step 4: Simplify right side
    340,712.08x = 53,168,480,398.51
  5. Step 5: Solve for x
    x = 53,168,480,398.51/340,712.08
  6. Step 6: Final answer
    x = 156,051.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.