Home / 315,355.21-473,095.13-115,677.45

Finding the Fourth Proportional to 315,355.21, 473,095.13 and 115,677.45

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Solution

The fourth proportional to 315,355.21, 473,095.13 and 115,677.45 is: 173,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,355.21 : 473,095.13 = 115,677.45 : x
  2. Step 2: Convert to fraction form
    315,355.21/473,095.13 = 115,677.45/x
  3. Step 3: Cross multiply
    315,355.21x = 473,095.13 × 115,677.45
  4. Step 4: Simplify right side
    315,355.21x = 54,726,437,667.43
  5. Step 5: Solve for x
    x = 54,726,437,667.43/315,355.21
  6. Step 6: Final answer
    x = 173,539.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.