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Finding the Fourth Proportional to 350,432.72, 483,615.04 and 214,424

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Solution

The fourth proportional to 350,432.72, 483,615.04 and 214,424 is: 295,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,432.72 : 483,615.04 = 214,424 : x
  2. Step 2: Convert to fraction form
    350,432.72/483,615.04 = 214,424/x
  3. Step 3: Cross multiply
    350,432.72x = 483,615.04 × 214,424
  4. Step 4: Simplify right side
    350,432.72x = 103,698,671,336.96
  5. Step 5: Solve for x
    x = 103,698,671,336.96/350,432.72
  6. Step 6: Final answer
    x = 295,916.06

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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.