Home / 471,139.07-706,787.98-218,317.01

Finding the Fourth Proportional to 471,139.07, 706,787.98 and 218,317.01

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Solution

The fourth proportional to 471,139.07, 706,787.98 and 218,317.01 is: 327,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,139.07 : 706,787.98 = 218,317.01 : x
  2. Step 2: Convert to fraction form
    471,139.07/706,787.98 = 218,317.01/x
  3. Step 3: Cross multiply
    471,139.07x = 706,787.98 × 218,317.01
  4. Step 4: Simplify right side
    471,139.07x = 154,303,834,417.81
  5. Step 5: Solve for x
    x = 154,303,834,417.81/471,139.07
  6. Step 6: Final answer
    x = 327,512.29

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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.