Home / 282,840.66-390,321.58-155,524.46

Finding the Fourth Proportional to 282,840.66, 390,321.58 and 155,524.46

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Solution

The fourth proportional to 282,840.66, 390,321.58 and 155,524.46 is: 214,624.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,840.66 : 390,321.58 = 155,524.46 : x
  2. Step 2: Convert to fraction form
    282,840.66/390,321.58 = 155,524.46/x
  3. Step 3: Cross multiply
    282,840.66x = 390,321.58 × 155,524.46
  4. Step 4: Simplify right side
    282,840.66x = 60,704,552,955.85
  5. Step 5: Solve for x
    x = 60,704,552,955.85/282,840.66
  6. Step 6: Final answer
    x = 214,624.56

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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.