Home / 348,513.26-522,465.41-135,134.16

Finding the Fourth Proportional to 348,513.26, 522,465.41 and 135,134.16

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Solution

The fourth proportional to 348,513.26, 522,465.41 and 135,134.16 is: 202,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,513.26 : 522,465.41 = 135,134.16 : x
  2. Step 2: Convert to fraction form
    348,513.26/522,465.41 = 135,134.16/x
  3. Step 3: Cross multiply
    348,513.26x = 522,465.41 × 135,134.16
  4. Step 4: Simplify right side
    348,513.26x = 70,602,924,647.24
  5. Step 5: Solve for x
    x = 70,602,924,647.24/348,513.26
  6. Step 6: Final answer
    x = 202,583.18

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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.