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Finding the Fourth Proportional to 341,088.18, 511,695.45 and 116,436.30

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Solution

The fourth proportional to 341,088.18, 511,695.45 and 116,436.30 is: 174,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,088.18 : 511,695.45 = 116,436.30 : x
  2. Step 2: Convert to fraction form
    341,088.18/511,695.45 = 116,436.30/x
  3. Step 3: Cross multiply
    341,088.18x = 511,695.45 × 116,436.30
  4. Step 4: Simplify right side
    341,088.18x = 59,579,924,924.84
  5. Step 5: Solve for x
    x = 59,579,924,924.84/341,088.18
  6. Step 6: Final answer
    x = 174,676.02

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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.