Home / 370,325.93-511,081.25-209,210.55

Finding the Fourth Proportional to 370,325.93, 511,081.25 and 209,210.55

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Solution

The fourth proportional to 370,325.93, 511,081.25 and 209,210.55 is: 288,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,325.93 : 511,081.25 = 209,210.55 : x
  2. Step 2: Convert to fraction form
    370,325.93/511,081.25 = 209,210.55/x
  3. Step 3: Cross multiply
    370,325.93x = 511,081.25 × 209,210.55
  4. Step 4: Simplify right side
    370,325.93x = 106,923,586,444.58
  5. Step 5: Solve for x
    x = 106,923,586,444.58/370,325.93
  6. Step 6: Final answer
    x = 288,728.33

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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.