Home / 382,569.80-528,047.70-269,443.40

Finding the Fourth Proportional to 382,569.80, 528,047.70 and 269,443.40

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Solution

The fourth proportional to 382,569.80, 528,047.70 and 269,443.40 is: 371,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,569.80 : 528,047.70 = 269,443.40 : x
  2. Step 2: Convert to fraction form
    382,569.80/528,047.70 = 269,443.40/x
  3. Step 3: Cross multiply
    382,569.80x = 528,047.70 × 269,443.40
  4. Step 4: Simplify right side
    382,569.80x = 142,278,967,650.18
  5. Step 5: Solve for x
    x = 142,278,967,650.18/382,569.80
  6. Step 6: Final answer
    x = 371,903.29

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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.