Home / 369,265.15-553,563.60-256,999.15

Finding the Fourth Proportional to 369,265.15, 553,563.60 and 256,999.15

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Solution

The fourth proportional to 369,265.15, 553,563.60 and 256,999.15 is: 385,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,265.15 : 553,563.60 = 256,999.15 : x
  2. Step 2: Convert to fraction form
    369,265.15/553,563.60 = 256,999.15/x
  3. Step 3: Cross multiply
    369,265.15x = 553,563.60 × 256,999.15
  4. Step 4: Simplify right side
    369,265.15x = 142,265,374,670.94
  5. Step 5: Solve for x
    x = 142,265,374,670.94/369,265.15
  6. Step 6: Final answer
    x = 385,266.18

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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.