Home / 360,917.82-497,952.09-209,985.66

Finding the Fourth Proportional to 360,917.82, 497,952.09 and 209,985.66

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Solution

The fourth proportional to 360,917.82, 497,952.09 and 209,985.66 is: 289,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,917.82 : 497,952.09 = 209,985.66 : x
  2. Step 2: Convert to fraction form
    360,917.82/497,952.09 = 209,985.66/x
  3. Step 3: Cross multiply
    360,917.82x = 497,952.09 × 209,985.66
  4. Step 4: Simplify right side
    360,917.82x = 104,562,798,267.03
  5. Step 5: Solve for x
    x = 104,562,798,267.03/360,917.82
  6. Step 6: Final answer
    x = 289,713.59

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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.