Home / 381,510.32-526,362.36-220,344.08

Finding the Fourth Proportional to 381,510.32, 526,362.36 and 220,344.08

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Solution

The fourth proportional to 381,510.32, 526,362.36 and 220,344.08 is: 304,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,510.32 : 526,362.36 = 220,344.08 : x
  2. Step 2: Convert to fraction form
    381,510.32/526,362.36 = 220,344.08/x
  3. Step 3: Cross multiply
    381,510.32x = 526,362.36 × 220,344.08
  4. Step 4: Simplify right side
    381,510.32x = 115,980,829,960.83
  5. Step 5: Solve for x
    x = 115,980,829,960.83/381,510.32
  6. Step 6: Final answer
    x = 304,004.44

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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.