Home / 330,510.22-456,243.63-223,225.56

Finding the Fourth Proportional to 330,510.22, 456,243.63 and 223,225.56

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Solution

The fourth proportional to 330,510.22, 456,243.63 and 223,225.56 is: 308,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,510.22 : 456,243.63 = 223,225.56 : x
  2. Step 2: Convert to fraction form
    330,510.22/456,243.63 = 223,225.56/x
  3. Step 3: Cross multiply
    330,510.22x = 456,243.63 × 223,225.56
  4. Step 4: Simplify right side
    330,510.22x = 101,845,238,687.06
  5. Step 5: Solve for x
    x = 101,845,238,687.06/330,510.22
  6. Step 6: Final answer
    x = 308,145.51

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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.