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Finding the Fourth Proportional to 593,440, 890,300 and 194,079.20

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Solution

The fourth proportional to 593,440, 890,300 and 194,079.20 is: 291,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,440 : 890,300 = 194,079.20 : x
  2. Step 2: Convert to fraction form
    593,440/890,300 = 194,079.20/x
  3. Step 3: Cross multiply
    593,440x = 890,300 × 194,079.20
  4. Step 4: Simplify right side
    593,440x = 172,788,711,760
  5. Step 5: Solve for x
    x = 172,788,711,760/593,440
  6. Step 6: Final answer
    x = 291,164.59

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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.