Home / 370,127.86-511,637.28-330,236.98

Finding the Fourth Proportional to 370,127.86, 511,637.28 and 330,236.98

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Solution

The fourth proportional to 370,127.86, 511,637.28 and 330,236.98 is: 456,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,127.86 : 511,637.28 = 330,236.98 : x
  2. Step 2: Convert to fraction form
    370,127.86/511,637.28 = 330,236.98/x
  3. Step 3: Cross multiply
    370,127.86x = 511,637.28 × 330,236.98
  4. Step 4: Simplify right side
    370,127.86x = 168,961,550,202.61
  5. Step 5: Solve for x
    x = 168,961,550,202.61/370,127.86
  6. Step 6: Final answer
    x = 456,495.09

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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.