Home / 509,190.48-762,622.24-243,137.32

Finding the Fourth Proportional to 509,190.48, 762,622.24 and 243,137.32

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Solution

The fourth proportional to 509,190.48, 762,622.24 and 243,137.32 is: 364,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,190.48 : 762,622.24 = 243,137.32 : x
  2. Step 2: Convert to fraction form
    509,190.48/762,622.24 = 243,137.32/x
  3. Step 3: Cross multiply
    509,190.48x = 762,622.24 × 243,137.32
  4. Step 4: Simplify right side
    509,190.48x = 185,421,927,606.00
  5. Step 5: Solve for x
    x = 185,421,927,606.00/509,190.48
  6. Step 6: Final answer
    x = 364,150.42

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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.