Home / 354,273.28-531,536.64-151,784.32

Finding the Fourth Proportional to 354,273.28, 531,536.64 and 151,784.32

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Solution

The fourth proportional to 354,273.28, 531,536.64 and 151,784.32 is: 227,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,273.28 : 531,536.64 = 151,784.32 : x
  2. Step 2: Convert to fraction form
    354,273.28/531,536.64 = 151,784.32/x
  3. Step 3: Cross multiply
    354,273.28x = 531,536.64 × 151,784.32
  4. Step 4: Simplify right side
    354,273.28x = 80,678,927,457.48
  5. Step 5: Solve for x
    x = 80,678,927,457.48/354,273.28
  6. Step 6: Final answer
    x = 227,730.77

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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.