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Finding the Fourth Proportional to 301,505.70, 451,602.45 and 262,139.70

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Solution

The fourth proportional to 301,505.70, 451,602.45 and 262,139.70 is: 392,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,505.70 : 451,602.45 = 262,139.70 : x
  2. Step 2: Convert to fraction form
    301,505.70/451,602.45 = 262,139.70/x
  3. Step 3: Cross multiply
    301,505.70x = 451,602.45 × 262,139.70
  4. Step 4: Simplify right side
    301,505.70x = 118,382,930,762.27
  5. Step 5: Solve for x
    x = 118,382,930,762.27/301,505.70
  6. Step 6: Final answer
    x = 392,639.11

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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.