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Finding the Fourth Proportional to 446,559.40, 670,616.70 and 236,607.40

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Solution

The fourth proportional to 446,559.40, 670,616.70 and 236,607.40 is: 355,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,559.40 : 670,616.70 = 236,607.40 : x
  2. Step 2: Convert to fraction form
    446,559.40/670,616.70 = 236,607.40/x
  3. Step 3: Cross multiply
    446,559.40x = 670,616.70 × 236,607.40
  4. Step 4: Simplify right side
    446,559.40x = 158,672,873,783.58
  5. Step 5: Solve for x
    x = 158,672,873,783.58/446,559.40
  6. Step 6: Final answer
    x = 355,323.11

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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.