Home / 450,041.37-621,089.67-268,760.94

Finding the Fourth Proportional to 450,041.37, 621,089.67 and 268,760.94

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Solution

The fourth proportional to 450,041.37, 621,089.67 and 268,760.94 is: 370,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,041.37 : 621,089.67 = 268,760.94 : x
  2. Step 2: Convert to fraction form
    450,041.37/621,089.67 = 268,760.94/x
  3. Step 3: Cross multiply
    450,041.37x = 621,089.67 × 268,760.94
  4. Step 4: Simplify right side
    450,041.37x = 166,924,643,533.49
  5. Step 5: Solve for x
    x = 166,924,643,533.49/450,041.37
  6. Step 6: Final answer
    x = 370,909.55

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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.