Home / 316,413.64-436,648.24-173,173.35

Finding the Fourth Proportional to 316,413.64, 436,648.24 and 173,173.35

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Solution

The fourth proportional to 316,413.64, 436,648.24 and 173,173.35 is: 238,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,413.64 : 436,648.24 = 173,173.35 : x
  2. Step 2: Convert to fraction form
    316,413.64/436,648.24 = 173,173.35/x
  3. Step 3: Cross multiply
    316,413.64x = 436,648.24 × 173,173.35
  4. Step 4: Simplify right side
    316,413.64x = 75,615,835,443.30
  5. Step 5: Solve for x
    x = 75,615,835,443.30/316,413.64
  6. Step 6: Final answer
    x = 238,977.80

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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.