Finding the Fourth Proportional to 186,914.18, 258,003.09 and 148,743.74
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Solution
The fourth proportional to 186,914.18, 258,003.09 and 148,743.74 is: 205,315.32
Step by Step Solution
- Step 1: Write the proportion equation
186,914.18 : 258,003.09 = 148,743.74 : x - Step 2: Convert to fraction form
186,914.18/258,003.09 = 148,743.74/x - Step 3: Cross multiply
186,914.18x = 258,003.09 × 148,743.74 - Step 4: Simplify right side
186,914.18x = 38,376,343,248.14 - Step 5: Solve for x
x = 38,376,343,248.14/186,914.18 - Step 6: Final answer
x = 205,315.32
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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.