Home / 294,487.36-405,907.32-208,335.04

Finding the Fourth Proportional to 294,487.36, 405,907.32 and 208,335.04

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Solution

The fourth proportional to 294,487.36, 405,907.32 and 208,335.04 is: 287,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,487.36 : 405,907.32 = 208,335.04 : x
  2. Step 2: Convert to fraction form
    294,487.36/405,907.32 = 208,335.04/x
  3. Step 3: Cross multiply
    294,487.36x = 405,907.32 × 208,335.04
  4. Step 4: Simplify right side
    294,487.36x = 84,564,717,748.49
  5. Step 5: Solve for x
    x = 84,564,717,748.49/294,487.36
  6. Step 6: Final answer
    x = 287,159.07

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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.