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Finding the Fourth Proportional to 373,295.53, 559,071.34 and 343,152.86

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Solution

The fourth proportional to 373,295.53, 559,071.34 and 343,152.86 is: 513,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,295.53 : 559,071.34 = 343,152.86 : x
  2. Step 2: Convert to fraction form
    373,295.53/559,071.34 = 343,152.86/x
  3. Step 3: Cross multiply
    373,295.53x = 559,071.34 × 343,152.86
  4. Step 4: Simplify right side
    373,295.53x = 191,846,925,611.79
  5. Step 5: Solve for x
    x = 191,846,925,611.79/373,295.53
  6. Step 6: Final answer
    x = 513,927.74

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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.