Home / 370,569.90-511,386.03-200,803.98

Finding the Fourth Proportional to 370,569.90, 511,386.03 and 200,803.98

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Solution

The fourth proportional to 370,569.90, 511,386.03 and 200,803.98 is: 277,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,569.90 : 511,386.03 = 200,803.98 : x
  2. Step 2: Convert to fraction form
    370,569.90/511,386.03 = 200,803.98/x
  3. Step 3: Cross multiply
    370,569.90x = 511,386.03 × 200,803.98
  4. Step 4: Simplify right side
    370,569.90x = 102,688,350,140.40
  5. Step 5: Solve for x
    x = 102,688,350,140.40/370,569.90
  6. Step 6: Final answer
    x = 277,109.26

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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.