Home / 271,898.06-407,427.91-145,555.07

Finding the Fourth Proportional to 271,898.06, 407,427.91 and 145,555.07

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Solution

The fourth proportional to 271,898.06, 407,427.91 and 145,555.07 is: 218,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,898.06 : 407,427.91 = 145,555.07 : x
  2. Step 2: Convert to fraction form
    271,898.06/407,427.91 = 145,555.07/x
  3. Step 3: Cross multiply
    271,898.06x = 407,427.91 × 145,555.07
  4. Step 4: Simplify right side
    271,898.06x = 59,303,195,558.98
  5. Step 5: Solve for x
    x = 59,303,195,558.98/271,898.06
  6. Step 6: Final answer
    x = 218,108.20

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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.