Home / 278,412.54-384,209.56-151,088.14

Finding the Fourth Proportional to 278,412.54, 384,209.56 and 151,088.14

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Solution

The fourth proportional to 278,412.54, 384,209.56 and 151,088.14 is: 208,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,412.54 : 384,209.56 = 151,088.14 : x
  2. Step 2: Convert to fraction form
    278,412.54/384,209.56 = 151,088.14/x
  3. Step 3: Cross multiply
    278,412.54x = 384,209.56 × 151,088.14
  4. Step 4: Simplify right side
    278,412.54x = 58,049,507,790.62
  5. Step 5: Solve for x
    x = 58,049,507,790.62/278,412.54
  6. Step 6: Final answer
    x = 208,501.77

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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.