Home / 278,410.29-384,206.19-151,085.89

Finding the Fourth Proportional to 278,410.29, 384,206.19 and 151,085.89

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Solution

The fourth proportional to 278,410.29, 384,206.19 and 151,085.89 is: 208,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,410.29 : 384,206.19 = 151,085.89 : x
  2. Step 2: Convert to fraction form
    278,410.29/384,206.19 = 151,085.89/x
  3. Step 3: Cross multiply
    278,410.29x = 384,206.19 × 151,085.89
  4. Step 4: Simplify right side
    278,410.29x = 58,048,133,199.14
  5. Step 5: Solve for x
    x = 58,048,133,199.14/278,410.29
  6. Step 6: Final answer
    x = 208,498.52

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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.