Home / 276,827.04-382,022.64-155,970.24

Finding the Fourth Proportional to 276,827.04, 382,022.64 and 155,970.24

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Solution

The fourth proportional to 276,827.04, 382,022.64 and 155,970.24 is: 215,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,827.04 : 382,022.64 = 155,970.24 : x
  2. Step 2: Convert to fraction form
    276,827.04/382,022.64 = 155,970.24/x
  3. Step 3: Cross multiply
    276,827.04x = 382,022.64 × 155,970.24
  4. Step 4: Simplify right side
    276,827.04x = 59,584,162,846.23
  5. Step 5: Solve for x
    x = 59,584,162,846.23/276,827.04
  6. Step 6: Final answer
    x = 215,239.68

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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.