Home / 290,994.63-401,440.56-210,294.33

Finding the Fourth Proportional to 290,994.63, 401,440.56 and 210,294.33

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Solution

The fourth proportional to 290,994.63, 401,440.56 and 210,294.33 is: 290,110.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,994.63 : 401,440.56 = 210,294.33 : x
  2. Step 2: Convert to fraction form
    290,994.63/401,440.56 = 210,294.33/x
  3. Step 3: Cross multiply
    290,994.63x = 401,440.56 × 210,294.33
  4. Step 4: Simplify right side
    290,994.63x = 84,420,671,306.02
  5. Step 5: Solve for x
    x = 84,420,671,306.02/290,994.63
  6. Step 6: Final answer
    x = 290,110.76

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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.