Home / 278,688.07-384,589.24-151,363.77

Finding the Fourth Proportional to 278,688.07, 384,589.24 and 151,363.77

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Solution

The fourth proportional to 278,688.07, 384,589.24 and 151,363.77 is: 208,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,688.07 : 384,589.24 = 151,363.77 : x
  2. Step 2: Convert to fraction form
    278,688.07/384,589.24 = 151,363.77/x
  3. Step 3: Cross multiply
    278,688.07x = 384,589.24 × 151,363.77
  4. Step 4: Simplify right side
    278,688.07x = 58,212,877,267.83
  5. Step 5: Solve for x
    x = 58,212,877,267.83/278,688.07
  6. Step 6: Final answer
    x = 208,881.84

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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.