Home / 449,441.02-620,206.94-248,232.70

Finding the Fourth Proportional to 449,441.02, 620,206.94 and 248,232.70

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Solution

The fourth proportional to 449,441.02, 620,206.94 and 248,232.70 is: 342,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,441.02 : 620,206.94 = 248,232.70 : x
  2. Step 2: Convert to fraction form
    449,441.02/620,206.94 = 248,232.70/x
  3. Step 3: Cross multiply
    449,441.02x = 620,206.94 × 248,232.70
  4. Step 4: Simplify right side
    449,441.02x = 153,955,643,274.94
  5. Step 5: Solve for x
    x = 153,955,643,274.94/449,441.02
  6. Step 6: Final answer
    x = 342,549.16

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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.