Finding the Fourth Proportional to 188,541.84, 260,184.24 and 103,657.08
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Solution
The fourth proportional to 188,541.84, 260,184.24 and 103,657.08 is: 143,044.85
Step by Step Solution
- Step 1: Write the proportion equation
188,541.84 : 260,184.24 = 103,657.08 : x - Step 2: Convert to fraction form
188,541.84/260,184.24 = 103,657.08/x - Step 3: Cross multiply
188,541.84x = 260,184.24 × 103,657.08 - Step 4: Simplify right side
188,541.84x = 26,969,938,580.42 - Step 5: Solve for x
x = 26,969,938,580.42/188,541.84 - Step 6: Final answer
x = 143,044.85
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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.