Home / 461,185.16-691,860.90-208,585.04

Finding the Fourth Proportional to 461,185.16, 691,860.90 and 208,585.04

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Solution

The fourth proportional to 461,185.16, 691,860.90 and 208,585.04 is: 312,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,185.16 : 691,860.90 = 208,585.04 : x
  2. Step 2: Convert to fraction form
    461,185.16/691,860.90 = 208,585.04/x
  3. Step 3: Cross multiply
    461,185.16x = 691,860.90 × 208,585.04
  4. Step 4: Simplify right side
    461,185.16x = 144,311,830,041.63
  5. Step 5: Solve for x
    x = 144,311,830,041.63/461,185.16
  6. Step 6: Final answer
    x = 312,915.17

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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.