Home / 380,369.04-524,915.72-208,284.26

Finding the Fourth Proportional to 380,369.04, 524,915.72 and 208,284.26

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Solution

The fourth proportional to 380,369.04, 524,915.72 and 208,284.26 is: 287,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,369.04 : 524,915.72 = 208,284.26 : x
  2. Step 2: Convert to fraction form
    380,369.04/524,915.72 = 208,284.26/x
  3. Step 3: Cross multiply
    380,369.04x = 524,915.72 × 208,284.26
  4. Step 4: Simplify right side
    380,369.04x = 109,331,682,302.57
  5. Step 5: Solve for x
    x = 109,331,682,302.57/380,369.04
  6. Step 6: Final answer
    x = 287,435.81

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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.