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Finding the Fourth Proportional to 356,598.32, 534,700.60 and 146,383.88

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Solution

The fourth proportional to 356,598.32, 534,700.60 and 146,383.88 is: 219,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,598.32 : 534,700.60 = 146,383.88 : x
  2. Step 2: Convert to fraction form
    356,598.32/534,700.60 = 146,383.88/x
  3. Step 3: Cross multiply
    356,598.32x = 534,700.60 × 146,383.88
  4. Step 4: Simplify right side
    356,598.32x = 78,271,548,466.33
  5. Step 5: Solve for x
    x = 78,271,548,466.33/356,598.32
  6. Step 6: Final answer
    x = 219,495.00

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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.