Home / 430,247.34-645,665.04-149,764.59

Finding the Fourth Proportional to 430,247.34, 645,665.04 and 149,764.59

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Solution

The fourth proportional to 430,247.34, 645,665.04 and 149,764.59 is: 224,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,247.34 : 645,665.04 = 149,764.59 : x
  2. Step 2: Convert to fraction form
    430,247.34/645,665.04 = 149,764.59/x
  3. Step 3: Cross multiply
    430,247.34x = 645,665.04 × 149,764.59
  4. Step 4: Simplify right side
    430,247.34x = 96,697,759,992.93
  5. Step 5: Solve for x
    x = 96,697,759,992.93/430,247.34
  6. Step 6: Final answer
    x = 224,749.23

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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.