Home / 383,055.36-574,496.64-146,313.60

Finding the Fourth Proportional to 383,055.36, 574,496.64 and 146,313.60

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Solution

The fourth proportional to 383,055.36, 574,496.64 and 146,313.60 is: 219,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,055.36 : 574,496.64 = 146,313.60 : x
  2. Step 2: Convert to fraction form
    383,055.36/574,496.64 = 146,313.60/x
  3. Step 3: Cross multiply
    383,055.36x = 574,496.64 × 146,313.60
  4. Step 4: Simplify right side
    383,055.36x = 84,056,671,586.30
  5. Step 5: Solve for x
    x = 84,056,671,586.30/383,055.36
  6. Step 6: Final answer
    x = 219,437.40

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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.