Finding the Fourth Proportional to 188,567.69, 260,216.82 and 103,684.14
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Solution
The fourth proportional to 188,567.69, 260,216.82 and 103,684.14 is: 143,080.49
Step by Step Solution
- Step 1: Write the proportion equation
188,567.69 : 260,216.82 = 103,684.14 : x - Step 2: Convert to fraction form
188,567.69/260,216.82 = 103,684.14/x - Step 3: Cross multiply
188,567.69x = 260,216.82 × 103,684.14 - Step 4: Simplify right side
188,567.69x = 26,980,357,195.23 - Step 5: Solve for x
x = 26,980,357,195.23/188,567.69 - Step 6: Final answer
x = 143,080.49
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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.