Home / 420,359.84-630,533.06-195,594.56

Finding the Fourth Proportional to 420,359.84, 630,533.06 and 195,594.56

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Solution

The fourth proportional to 420,359.84, 630,533.06 and 195,594.56 is: 293,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,359.84 : 630,533.06 = 195,594.56 : x
  2. Step 2: Convert to fraction form
    420,359.84/630,533.06 = 195,594.56/x
  3. Step 3: Cross multiply
    420,359.84x = 630,533.06 × 195,594.56
  4. Step 4: Simplify right side
    420,359.84x = 123,328,836,436.15
  5. Step 5: Solve for x
    x = 123,328,836,436.15/420,359.84
  6. Step 6: Final answer
    x = 293,388.72

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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.