Home / 355,724.91-533,588.27-145,362.87

Finding the Fourth Proportional to 355,724.91, 533,588.27 and 145,362.87

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Solution

The fourth proportional to 355,724.91, 533,588.27 and 145,362.87 is: 218,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,724.91 : 533,588.27 = 145,362.87 : x
  2. Step 2: Convert to fraction form
    355,724.91/533,588.27 = 145,362.87/x
  3. Step 3: Cross multiply
    355,724.91x = 533,588.27 × 145,362.87
  4. Step 4: Simplify right side
    355,724.91x = 77,563,921,598.72
  5. Step 5: Solve for x
    x = 77,563,921,598.72/355,724.91
  6. Step 6: Final answer
    x = 218,044.67

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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.