Home / 276,814.09-382,038.24-155,984.19

Finding the Fourth Proportional to 276,814.09, 382,038.24 and 155,984.19

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Solution

The fourth proportional to 276,814.09, 382,038.24 and 155,984.19 is: 215,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,814.09 : 382,038.24 = 155,984.19 : x
  2. Step 2: Convert to fraction form
    276,814.09/382,038.24 = 155,984.19/x
  3. Step 3: Cross multiply
    276,814.09x = 382,038.24 × 155,984.19
  4. Step 4: Simplify right side
    276,814.09x = 59,591,925,415.43
  5. Step 5: Solve for x
    x = 59,591,925,415.43/276,814.09
  6. Step 6: Final answer
    x = 215,277.79

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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.