Home / 370,373.22-511,156.52-209,238.64

Finding the Fourth Proportional to 370,373.22, 511,156.52 and 209,238.64

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Solution

The fourth proportional to 370,373.22, 511,156.52 and 209,238.64 is: 288,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,373.22 : 511,156.52 = 209,238.64 : x
  2. Step 2: Convert to fraction form
    370,373.22/511,156.52 = 209,238.64/x
  3. Step 3: Cross multiply
    370,373.22x = 511,156.52 × 209,238.64
  4. Step 4: Simplify right side
    370,373.22x = 106,953,695,071.93
  5. Step 5: Solve for x
    x = 106,953,695,071.93/370,373.22
  6. Step 6: Final answer
    x = 288,772.75

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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.