Finding the Fourth Proportional to 186,304.23, 257,101.43 and 101,421.09
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Solution
The fourth proportional to 186,304.23, 257,101.43 and 101,421.09 is: 139,961.97
Step by Step Solution
- Step 1: Write the proportion equation
186,304.23 : 257,101.43 = 101,421.09 : x - Step 2: Convert to fraction form
186,304.23/257,101.43 = 101,421.09/x - Step 3: Cross multiply
186,304.23x = 257,101.43 × 101,421.09 - Step 4: Simplify right side
186,304.23x = 26,075,506,764.05 - Step 5: Solve for x
x = 26,075,506,764.05/186,304.23 - Step 6: Final answer
x = 139,961.97
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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.