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Finding the Fourth Proportional to 559,555.06, 839,658.26 and 235,319.86

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Solution

The fourth proportional to 559,555.06, 839,658.26 and 235,319.86 is: 353,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,555.06 : 839,658.26 = 235,319.86 : x
  2. Step 2: Convert to fraction form
    559,555.06/839,658.26 = 235,319.86/x
  3. Step 3: Cross multiply
    559,555.06x = 839,658.26 × 235,319.86
  4. Step 4: Simplify right side
    559,555.06x = 197,588,264,191.04
  5. Step 5: Solve for x
    x = 197,588,264,191.04/559,555.06
  6. Step 6: Final answer
    x = 353,116.75

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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.