Finding the Fourth Proportional to 188,562.03, 260,220.18 and 103,679.09
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Solution
The fourth proportional to 188,562.03, 260,220.18 and 103,679.09 is: 143,079.65
Step by Step Solution
- Step 1: Write the proportion equation
188,562.03 : 260,220.18 = 103,679.09 : x - Step 2: Convert to fraction form
188,562.03/260,220.18 = 103,679.09/x - Step 3: Cross multiply
188,562.03x = 260,220.18 × 103,679.09 - Step 4: Simplify right side
188,562.03x = 26,979,390,160.94 - Step 5: Solve for x
x = 26,979,390,160.94/188,562.03 - Step 6: Final answer
x = 143,079.65
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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.