Finding the Fourth Proportional to 188,463.13, 260,068.12 and 103,580.26
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Solution
The fourth proportional to 188,463.13, 260,068.12 and 103,580.26 is: 142,934.71
Step by Step Solution
- Step 1: Write the proportion equation
188,463.13 : 260,068.12 = 103,580.26 : x - Step 2: Convert to fraction form
188,463.13/260,068.12 = 103,580.26/x - Step 3: Cross multiply
188,463.13x = 260,068.12 × 103,580.26 - Step 4: Simplify right side
188,463.13x = 26,937,923,487.31 - Step 5: Solve for x
x = 26,937,923,487.31/188,463.13 - Step 6: Final answer
x = 142,934.71
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1.5x scale
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.