Home / 278,567.25-384,427.26-151,242.81

Finding the Fourth Proportional to 278,567.25, 384,427.26 and 151,242.81

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Solution

The fourth proportional to 278,567.25, 384,427.26 and 151,242.81 is: 208,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,567.25 : 384,427.26 = 151,242.81 : x
  2. Step 2: Convert to fraction form
    278,567.25/384,427.26 = 151,242.81/x
  3. Step 3: Cross multiply
    278,567.25x = 384,427.26 × 151,242.81
  4. Step 4: Simplify right side
    278,567.25x = 58,141,859,043.00
  5. Step 5: Solve for x
    x = 58,141,859,043.00/278,567.25
  6. Step 6: Final answer
    x = 208,717.50

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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.