Home / 278,464.04-384,270.08-151,136.90

Finding the Fourth Proportional to 278,464.04, 384,270.08 and 151,136.90

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Solution

The fourth proportional to 278,464.04, 384,270.08 and 151,136.90 is: 208,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,464.04 : 384,270.08 = 151,136.90 : x
  2. Step 2: Convert to fraction form
    278,464.04/384,270.08 = 151,136.90/x
  3. Step 3: Cross multiply
    278,464.04x = 384,270.08 × 151,136.90
  4. Step 4: Simplify right side
    278,464.04x = 58,077,388,653.95
  5. Step 5: Solve for x
    x = 58,077,388,653.95/278,464.04
  6. Step 6: Final answer
    x = 208,563.33

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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.