Home / 245,985.84-339,344.46-143,948.16

Finding the Fourth Proportional to 245,985.84, 339,344.46 and 143,948.16

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Solution

The fourth proportional to 245,985.84, 339,344.46 and 143,948.16 is: 198,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,985.84 : 339,344.46 = 143,948.16 : x
  2. Step 2: Convert to fraction form
    245,985.84/339,344.46 = 143,948.16/x
  3. Step 3: Cross multiply
    245,985.84x = 339,344.46 × 143,948.16
  4. Step 4: Simplify right side
    245,985.84x = 48,848,010,623.19
  5. Step 5: Solve for x
    x = 48,848,010,623.19/245,985.84
  6. Step 6: Final answer
    x = 198,580.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.