Home / 278,210.63-416,666.90-203,144.56

Finding the Fourth Proportional to 278,210.63, 416,666.90 and 203,144.56

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Solution

The fourth proportional to 278,210.63, 416,666.90 and 203,144.56 is: 304,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,210.63 : 416,666.90 = 203,144.56 : x
  2. Step 2: Convert to fraction form
    278,210.63/416,666.90 = 203,144.56/x
  3. Step 3: Cross multiply
    278,210.63x = 416,666.90 × 203,144.56
  4. Step 4: Simplify right side
    278,210.63x = 84,643,613,533.26
  5. Step 5: Solve for x
    x = 84,643,613,533.26/278,210.63
  6. Step 6: Final answer
    x = 304,242.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.