Home / 450,133.88-621,161.76-246,145.18

Finding the Fourth Proportional to 450,133.88, 621,161.76 and 246,145.18

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Solution

The fourth proportional to 450,133.88, 621,161.76 and 246,145.18 is: 339,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,133.88 : 621,161.76 = 246,145.18 : x
  2. Step 2: Convert to fraction form
    450,133.88/621,161.76 = 246,145.18/x
  3. Step 3: Cross multiply
    450,133.88x = 621,161.76 × 246,145.18
  4. Step 4: Simplify right side
    450,133.88x = 152,895,973,759.14
  5. Step 5: Solve for x
    x = 152,895,973,759.14/450,133.88
  6. Step 6: Final answer
    x = 339,667.77

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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.