Home / 283,054.94-390,624.02-155,738.73

Finding the Fourth Proportional to 283,054.94, 390,624.02 and 155,738.73

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Solution

The fourth proportional to 283,054.94, 390,624.02 and 155,738.73 is: 214,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,054.94 : 390,624.02 = 155,738.73 : x
  2. Step 2: Convert to fraction form
    283,054.94/390,624.02 = 155,738.73/x
  3. Step 3: Cross multiply
    283,054.94x = 390,624.02 × 155,738.73
  4. Step 4: Simplify right side
    283,054.94x = 60,835,288,782.29
  5. Step 5: Solve for x
    x = 60,835,288,782.29/283,054.94
  6. Step 6: Final answer
    x = 214,923.96

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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.