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Finding the Fourth Proportional to 382,762.08, 528,207.51 and 210,676.37

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Solution

The fourth proportional to 382,762.08, 528,207.51 and 210,676.37 is: 290,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,762.08 : 528,207.51 = 210,676.37 : x
  2. Step 2: Convert to fraction form
    382,762.08/528,207.51 = 210,676.37/x
  3. Step 3: Cross multiply
    382,762.08x = 528,207.51 × 210,676.37
  4. Step 4: Simplify right side
    382,762.08x = 111,280,840,813.54
  5. Step 5: Solve for x
    x = 111,280,840,813.54/382,762.08
  6. Step 6: Final answer
    x = 290,731.10

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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.