Finding the Fourth Proportional to 254,651.81, 351,398.93 and 147,228.77
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Solution
The fourth proportional to 254,651.81, 351,398.93 and 147,228.77 is: 203,163.80
Step by Step Solution
- Step 1: Write the proportion equation
254,651.81 : 351,398.93 = 147,228.77 : x - Step 2: Convert to fraction form
254,651.81/351,398.93 = 147,228.77/x - Step 3: Cross multiply
254,651.81x = 351,398.93 × 147,228.77 - Step 4: Simplify right side
254,651.81x = 51,736,029,750.08 - Step 5: Solve for x
x = 51,736,029,750.08/254,651.81 - Step 6: Final answer
x = 203,163.80
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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.