Home / 242,320.20-363,134.70-178,643.40

Finding the Fourth Proportional to 242,320.20, 363,134.70 and 178,643.40

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Solution

The fourth proportional to 242,320.20, 363,134.70 and 178,643.40 is: 267,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,320.20 : 363,134.70 = 178,643.40 : x
  2. Step 2: Convert to fraction form
    242,320.20/363,134.70 = 178,643.40/x
  3. Step 3: Cross multiply
    242,320.20x = 363,134.70 × 178,643.40
  4. Step 4: Simplify right side
    242,320.20x = 64,871,617,465.98
  5. Step 5: Solve for x
    x = 64,871,617,465.98/242,320.20
  6. Step 6: Final answer
    x = 267,710.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.