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Finding the Fourth Proportional to 350,099.40, 524,711.70 and 256,495.80

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Solution

The fourth proportional to 350,099.40, 524,711.70 and 256,495.80 is: 384,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,099.40 : 524,711.70 = 256,495.80 : x
  2. Step 2: Convert to fraction form
    350,099.40/524,711.70 = 256,495.80/x
  3. Step 3: Cross multiply
    350,099.40x = 524,711.70 × 256,495.80
  4. Step 4: Simplify right side
    350,099.40x = 134,586,347,260.86
  5. Step 5: Solve for x
    x = 134,586,347,260.86/350,099.40
  6. Step 6: Final answer
    x = 384,423.24

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1.5x scale

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.