Finding the Fourth Proportional to 149,221.84, 205,936.82 and 83,815.96
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Solution
The fourth proportional to 149,221.84, 205,936.82 and 83,815.96 is: 115,672.02
Step by Step Solution
- Step 1: Write the proportion equation
149,221.84 : 205,936.82 = 83,815.96 : x - Step 2: Convert to fraction form
149,221.84/205,936.82 = 83,815.96/x - Step 3: Cross multiply
149,221.84x = 205,936.82 × 83,815.96 - Step 4: Simplify right side
149,221.84x = 17,260,792,267.65 - Step 5: Solve for x
x = 17,260,792,267.65/149,221.84 - Step 6: Final answer
x = 115,672.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.