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Finding the Fourth Proportional to 245,210, 365,669.18 and 242,967.90

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Solution

The fourth proportional to 245,210, 365,669.18 and 242,967.90 is: 362,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,210 : 365,669.18 = 242,967.90 : x
  2. Step 2: Convert to fraction form
    245,210/365,669.18 = 242,967.90/x
  3. Step 3: Cross multiply
    245,210x = 365,669.18 × 242,967.90
  4. Step 4: Simplify right side
    245,210x = 88,845,872,759.32
  5. Step 5: Solve for x
    x = 88,845,872,759.32/245,210
  6. Step 6: Final answer
    x = 362,325.65

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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.