Home / 278,463.22-384,268.96-151,136.08

Finding the Fourth Proportional to 278,463.22, 384,268.96 and 151,136.08

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Solution

The fourth proportional to 278,463.22, 384,268.96 and 151,136.08 is: 208,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,463.22 : 384,268.96 = 151,136.08 : x
  2. Step 2: Convert to fraction form
    278,463.22/384,268.96 = 151,136.08/x
  3. Step 3: Cross multiply
    278,463.22x = 384,268.96 × 151,136.08
  4. Step 4: Simplify right side
    278,463.22x = 58,076,903,508.32
  5. Step 5: Solve for x
    x = 58,076,903,508.32/278,463.22
  6. Step 6: Final answer
    x = 208,562.21

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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.