Home / 370,699.20-511,596.63-209,582.91

Finding the Fourth Proportional to 370,699.20, 511,596.63 and 209,582.91

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Solution

The fourth proportional to 370,699.20, 511,596.63 and 209,582.91 is: 289,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,699.20 : 511,596.63 = 209,582.91 : x
  2. Step 2: Convert to fraction form
    370,699.20/511,596.63 = 209,582.91/x
  3. Step 3: Cross multiply
    370,699.20x = 511,596.63 × 209,582.91
  4. Step 4: Simplify right side
    370,699.20x = 107,221,910,461.59
  5. Step 5: Solve for x
    x = 107,221,910,461.59/370,699.20
  6. Step 6: Final answer
    x = 289,242.36

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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.