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Finding the Fourth Proportional to 344,270.99, 515,448.77 and 175,427.30

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Solution

The fourth proportional to 344,270.99, 515,448.77 and 175,427.30 is: 262,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,270.99 : 515,448.77 = 175,427.30 : x
  2. Step 2: Convert to fraction form
    344,270.99/515,448.77 = 175,427.30/x
  3. Step 3: Cross multiply
    344,270.99x = 515,448.77 × 175,427.30
  4. Step 4: Simplify right side
    344,270.99x = 90,423,786,420.91
  5. Step 5: Solve for x
    x = 90,423,786,420.91/344,270.99
  6. Step 6: Final answer
    x = 262,652.93

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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.