Home / 370,349.16-511,079.46-209,256.36

Finding the Fourth Proportional to 370,349.16, 511,079.46 and 209,256.36

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Solution

The fourth proportional to 370,349.16, 511,079.46 and 209,256.36 is: 288,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,349.16 : 511,079.46 = 209,256.36 : x
  2. Step 2: Convert to fraction form
    370,349.16/511,079.46 = 209,256.36/x
  3. Step 3: Cross multiply
    370,349.16x = 511,079.46 × 209,256.36
  4. Step 4: Simplify right side
    370,349.16x = 106,946,627,470.37
  5. Step 5: Solve for x
    x = 106,946,627,470.37/370,349.16
  6. Step 6: Final answer
    x = 288,772.43

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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.