Home / 242,528.30-363,792.45-218,908.70

Finding the Fourth Proportional to 242,528.30, 363,792.45 and 218,908.70

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Solution

The fourth proportional to 242,528.30, 363,792.45 and 218,908.70 is: 328,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,528.30 : 363,792.45 = 218,908.70 : x
  2. Step 2: Convert to fraction form
    242,528.30/363,792.45 = 218,908.70/x
  3. Step 3: Cross multiply
    242,528.30x = 363,792.45 × 218,908.70
  4. Step 4: Simplify right side
    242,528.30x = 79,637,332,299.32
  5. Step 5: Solve for x
    x = 79,637,332,299.32/242,528.30
  6. Step 6: Final answer
    x = 328,363.05

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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.