Home / 328,741.54-493,333.74-129,038.27

Finding the Fourth Proportional to 328,741.54, 493,333.74 and 129,038.27

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Solution

The fourth proportional to 328,741.54, 493,333.74 and 129,038.27 is: 193,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,741.54 : 493,333.74 = 129,038.27 : x
  2. Step 2: Convert to fraction form
    328,741.54/493,333.74 = 129,038.27/x
  3. Step 3: Cross multiply
    328,741.54x = 493,333.74 × 129,038.27
  4. Step 4: Simplify right side
    328,741.54x = 63,658,929,875.56
  5. Step 5: Solve for x
    x = 63,658,929,875.56/328,741.54
  6. Step 6: Final answer
    x = 193,644.32

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1.5x scale

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.