Home / 370,545.03-511,352.46-200,779.16

Finding the Fourth Proportional to 370,545.03, 511,352.46 and 200,779.16

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Solution

The fourth proportional to 370,545.03, 511,352.46 and 200,779.16 is: 277,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,545.03 : 511,352.46 = 200,779.16 : x
  2. Step 2: Convert to fraction form
    370,545.03/511,352.46 = 200,779.16/x
  3. Step 3: Cross multiply
    370,545.03x = 511,352.46 × 200,779.16
  4. Step 4: Simplify right side
    370,545.03x = 102,668,914,825.97
  5. Step 5: Solve for x
    x = 102,668,914,825.97/370,545.03
  6. Step 6: Final answer
    x = 277,075.41

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1.5x scale

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.