Home / 369,091.35-553,636.94-211,208.18

Finding the Fourth Proportional to 369,091.35, 553,636.94 and 211,208.18

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Solution

The fourth proportional to 369,091.35, 553,636.94 and 211,208.18 is: 316,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,091.35 : 553,636.94 = 211,208.18 : x
  2. Step 2: Convert to fraction form
    369,091.35/553,636.94 = 211,208.18/x
  3. Step 3: Cross multiply
    369,091.35x = 553,636.94 × 211,208.18
  4. Step 4: Simplify right side
    369,091.35x = 116,932,646,653.94
  5. Step 5: Solve for x
    x = 116,932,646,653.94/369,091.35
  6. Step 6: Final answer
    x = 316,812.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.