Home / 307,557.02-424,439.16-178,485.56

Finding the Fourth Proportional to 307,557.02, 424,439.16 and 178,485.56

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Solution

The fourth proportional to 307,557.02, 424,439.16 and 178,485.56 is: 246,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,557.02 : 424,439.16 = 178,485.56 : x
  2. Step 2: Convert to fraction form
    307,557.02/424,439.16 = 178,485.56/x
  3. Step 3: Cross multiply
    307,557.02x = 424,439.16 × 178,485.56
  4. Step 4: Simplify right side
    307,557.02x = 75,756,261,158.53
  5. Step 5: Solve for x
    x = 75,756,261,158.53/307,557.02
  6. Step 6: Final answer
    x = 246,316.15

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1.5x scale

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.