Home / 303,566.40-454,985.10-208,796.40

Finding the Fourth Proportional to 303,566.40, 454,985.10 and 208,796.40

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Solution

The fourth proportional to 303,566.40, 454,985.10 and 208,796.40 is: 312,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,566.40 : 454,985.10 = 208,796.40 : x
  2. Step 2: Convert to fraction form
    303,566.40/454,985.10 = 208,796.40/x
  3. Step 3: Cross multiply
    303,566.40x = 454,985.10 × 208,796.40
  4. Step 4: Simplify right side
    303,566.40x = 94,999,250,933.64
  5. Step 5: Solve for x
    x = 94,999,250,933.64/303,566.40
  6. Step 6: Final answer
    x = 312,943.89

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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.