Home / 276,290.94-381,303.63-155,425.04

Finding the Fourth Proportional to 276,290.94, 381,303.63 and 155,425.04

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Solution

The fourth proportional to 276,290.94, 381,303.63 and 155,425.04 is: 214,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,290.94 : 381,303.63 = 155,425.04 : x
  2. Step 2: Convert to fraction form
    276,290.94/381,303.63 = 155,425.04/x
  3. Step 3: Cross multiply
    276,290.94x = 381,303.63 × 155,425.04
  4. Step 4: Simplify right side
    276,290.94x = 59,264,130,038.38
  5. Step 5: Solve for x
    x = 59,264,130,038.38/276,290.94
  6. Step 6: Final answer
    x = 214,499.00

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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.