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Finding the Fourth Proportional to 245,209, 365,667.68 and 242,966.88

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Solution

The fourth proportional to 245,209, 365,667.68 and 242,966.88 is: 362,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,209 : 365,667.68 = 242,966.88 : x
  2. Step 2: Convert to fraction form
    245,209/365,667.68 = 242,966.88/x
  3. Step 3: Cross multiply
    245,209x = 365,667.68 × 242,966.88
  4. Step 4: Simplify right side
    245,209x = 88,845,135,326.44
  5. Step 5: Solve for x
    x = 88,845,135,326.44/245,209
  6. Step 6: Final answer
    x = 362,324.12

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1.5x scale

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.