Finding the Fourth Proportional to 266,706.23, 368,054.58 and 145,847.60
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Solution
The fourth proportional to 266,706.23, 368,054.58 and 145,847.60 is: 201,269.68
Step by Step Solution
- Step 1: Write the proportion equation
266,706.23 : 368,054.58 = 145,847.60 : x - Step 2: Convert to fraction form
266,706.23/368,054.58 = 145,847.60/x - Step 3: Cross multiply
266,706.23x = 368,054.58 × 145,847.60 - Step 4: Simplify right side
266,706.23x = 53,679,877,162.01 - Step 5: Solve for x
x = 53,679,877,162.01/266,706.23 - Step 6: Final answer
x = 201,269.68
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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.