Home / 388,292.06-536,008.38-261,041.46

Finding the Fourth Proportional to 388,292.06, 536,008.38 and 261,041.46

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Solution

The fourth proportional to 388,292.06, 536,008.38 and 261,041.46 is: 360,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,292.06 : 536,008.38 = 261,041.46 : x
  2. Step 2: Convert to fraction form
    388,292.06/536,008.38 = 261,041.46/x
  3. Step 3: Cross multiply
    388,292.06x = 536,008.38 × 261,041.46
  4. Step 4: Simplify right side
    388,292.06x = 139,920,410,087.44
  5. Step 5: Solve for x
    x = 139,920,410,087.44/388,292.06
  6. Step 6: Final answer
    x = 360,348.37

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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.