Home / 259,829.28-358,482.78-152,403.84

Finding the Fourth Proportional to 259,829.28, 358,482.78 and 152,403.84

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Solution

The fourth proportional to 259,829.28, 358,482.78 and 152,403.84 is: 210,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,829.28 : 358,482.78 = 152,403.84 : x
  2. Step 2: Convert to fraction form
    259,829.28/358,482.78 = 152,403.84/x
  3. Step 3: Cross multiply
    259,829.28x = 358,482.78 × 152,403.84
  4. Step 4: Simplify right side
    259,829.28x = 54,634,152,245.88
  5. Step 5: Solve for x
    x = 54,634,152,245.88/259,829.28
  6. Step 6: Final answer
    x = 210,269.42

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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.