Home / 242,623.84-362,653.76-210,781.12

Finding the Fourth Proportional to 242,623.84, 362,653.76 and 210,781.12

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Solution

The fourth proportional to 242,623.84, 362,653.76 and 210,781.12 is: 315,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,623.84 : 362,653.76 = 210,781.12 : x
  2. Step 2: Convert to fraction form
    242,623.84/362,653.76 = 210,781.12/x
  3. Step 3: Cross multiply
    242,623.84x = 362,653.76 × 210,781.12
  4. Step 4: Simplify right side
    242,623.84x = 76,440,565,705.01
  5. Step 5: Solve for x
    x = 76,440,565,705.01/242,623.84
  6. Step 6: Final answer
    x = 315,057.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.