Home / 611,035.84-916,335.06-211,569.36

Finding the Fourth Proportional to 611,035.84, 916,335.06 and 211,569.36

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Solution

The fourth proportional to 611,035.84, 916,335.06 and 211,569.36 is: 317,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,035.84 : 916,335.06 = 211,569.36 : x
  2. Step 2: Convert to fraction form
    611,035.84/916,335.06 = 211,569.36/x
  3. Step 3: Cross multiply
    611,035.84x = 916,335.06 × 211,569.36
  4. Step 4: Simplify right side
    611,035.84x = 193,868,422,189.76
  5. Step 5: Solve for x
    x = 193,868,422,189.76/611,035.84
  6. Step 6: Final answer
    x = 317,278.32

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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.