Home / 380,932.18-525,580.02-300,108.88

Finding the Fourth Proportional to 380,932.18, 525,580.02 and 300,108.88

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Solution

The fourth proportional to 380,932.18, 525,580.02 and 300,108.88 is: 414,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,932.18 : 525,580.02 = 300,108.88 : x
  2. Step 2: Convert to fraction form
    380,932.18/525,580.02 = 300,108.88/x
  3. Step 3: Cross multiply
    380,932.18x = 525,580.02 × 300,108.88
  4. Step 4: Simplify right side
    380,932.18x = 157,731,231,152.58
  5. Step 5: Solve for x
    x = 157,731,231,152.58/380,932.18
  6. Step 6: Final answer
    x = 414,066.44

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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.