Home / 380,525.54-525,096.34-210,756.02

Finding the Fourth Proportional to 380,525.54, 525,096.34 and 210,756.02

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Solution

The fourth proportional to 380,525.54, 525,096.34 and 210,756.02 is: 290,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,525.54 : 525,096.34 = 210,756.02 : x
  2. Step 2: Convert to fraction form
    380,525.54/525,096.34 = 210,756.02/x
  3. Step 3: Cross multiply
    380,525.54x = 525,096.34 × 210,756.02
  4. Step 4: Simplify right side
    380,525.54x = 110,667,211,582.60
  5. Step 5: Solve for x
    x = 110,667,211,582.60/380,525.54
  6. Step 6: Final answer
    x = 290,827.29

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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.