Finding the Fourth Proportional to 259,790.71, 357,135.02 and 223,357.99
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Solution
The fourth proportional to 259,790.71, 357,135.02 and 223,357.99 is: 307,050.86
Step by Step Solution
- Step 1: Write the proportion equation
259,790.71 : 357,135.02 = 223,357.99 : x - Step 2: Convert to fraction form
259,790.71/357,135.02 = 223,357.99/x - Step 3: Cross multiply
259,790.71x = 357,135.02 × 223,357.99 - Step 4: Simplify right side
259,790.71x = 79,768,960,225.81 - Step 5: Solve for x
x = 79,768,960,225.81/259,790.71 - Step 6: Final answer
x = 307,050.86
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.