Finding the Fourth Proportional to 188,773.14, 260,506.98 and 103,888.38
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Solution
The fourth proportional to 188,773.14, 260,506.98 and 103,888.38 is: 143,365.99
Step by Step Solution
- Step 1: Write the proportion equation
188,773.14 : 260,506.98 = 103,888.38 : x - Step 2: Convert to fraction form
188,773.14/260,506.98 = 103,888.38/x - Step 3: Cross multiply
188,773.14x = 260,506.98 × 103,888.38 - Step 4: Simplify right side
188,773.14x = 27,063,648,130.89 - Step 5: Solve for x
x = 27,063,648,130.89/188,773.14 - Step 6: Final answer
x = 143,365.99
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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.