Home / 377,925.48-521,537.13-208,159.60

Finding the Fourth Proportional to 377,925.48, 521,537.13 and 208,159.60

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Solution

The fourth proportional to 377,925.48, 521,537.13 and 208,159.60 is: 287,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,925.48 : 521,537.13 = 208,159.60 : x
  2. Step 2: Convert to fraction form
    377,925.48/521,537.13 = 208,159.60/x
  3. Step 3: Cross multiply
    377,925.48x = 521,537.13 × 208,159.60
  4. Step 4: Simplify right side
    377,925.48x = 108,562,960,365.95
  5. Step 5: Solve for x
    x = 108,562,960,365.95/377,925.48
  6. Step 6: Final answer
    x = 287,260.23

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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.