Home / 373,562.09-515,513.24-212,417.15

Finding the Fourth Proportional to 373,562.09, 515,513.24 and 212,417.15

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Solution

The fourth proportional to 373,562.09, 515,513.24 and 212,417.15 is: 293,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,562.09 : 515,513.24 = 212,417.15 : x
  2. Step 2: Convert to fraction form
    373,562.09/515,513.24 = 212,417.15/x
  3. Step 3: Cross multiply
    373,562.09x = 515,513.24 × 212,417.15
  4. Step 4: Simplify right side
    373,562.09x = 109,503,849,588.41
  5. Step 5: Solve for x
    x = 109,503,849,588.41/373,562.09
  6. Step 6: Final answer
    x = 293,134.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.