Home / 385,361.37-531,621.23-249,439.05

Finding the Fourth Proportional to 385,361.37, 531,621.23 and 249,439.05

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Solution

The fourth proportional to 385,361.37, 531,621.23 and 249,439.05 is: 344,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,361.37 : 531,621.23 = 249,439.05 : x
  2. Step 2: Convert to fraction form
    385,361.37/531,621.23 = 249,439.05/x
  3. Step 3: Cross multiply
    385,361.37x = 531,621.23 × 249,439.05
  4. Step 4: Simplify right side
    385,361.37x = 132,607,093,323.84
  5. Step 5: Solve for x
    x = 132,607,093,323.84/385,361.37
  6. Step 6: Final answer
    x = 344,111.02

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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.