Home / 436,705.86-602,671.77-243,121.50

Finding the Fourth Proportional to 436,705.86, 602,671.77 and 243,121.50

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Solution

The fourth proportional to 436,705.86, 602,671.77 and 243,121.50 is: 335,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,705.86 : 602,671.77 = 243,121.50 : x
  2. Step 2: Convert to fraction form
    436,705.86/602,671.77 = 243,121.50/x
  3. Step 3: Cross multiply
    436,705.86x = 602,671.77 × 243,121.50
  4. Step 4: Simplify right side
    436,705.86x = 146,522,464,730.06
  5. Step 5: Solve for x
    x = 146,522,464,730.06/436,705.86
  6. Step 6: Final answer
    x = 335,517.51

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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.