Home / 360,913.82-497,946.57-209,981.66

Finding the Fourth Proportional to 360,913.82, 497,946.57 and 209,981.66

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Solution

The fourth proportional to 360,913.82, 497,946.57 and 209,981.66 is: 289,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,913.82 : 497,946.57 = 209,981.66 : x
  2. Step 2: Convert to fraction form
    360,913.82/497,946.57 = 209,981.66/x
  3. Step 3: Cross multiply
    360,913.82x = 497,946.57 × 209,981.66
  4. Step 4: Simplify right side
    360,913.82x = 104,559,647,359.91
  5. Step 5: Solve for x
    x = 104,559,647,359.91/360,913.82
  6. Step 6: Final answer
    x = 289,708.07

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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.