Home / 495,339.81-683,571.47-268,985.31

Finding the Fourth Proportional to 495,339.81, 683,571.47 and 268,985.31

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Solution

The fourth proportional to 495,339.81, 683,571.47 and 268,985.31 is: 371,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,339.81 : 683,571.47 = 268,985.31 : x
  2. Step 2: Convert to fraction form
    495,339.81/683,571.47 = 268,985.31/x
  3. Step 3: Cross multiply
    495,339.81x = 683,571.47 × 268,985.31
  4. Step 4: Simplify right side
    495,339.81x = 183,870,682,420.18
  5. Step 5: Solve for x
    x = 183,870,682,420.18/495,339.81
  6. Step 6: Final answer
    x = 371,201.10

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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.