Finding the Fourth Proportional to 187,528.95, 258,796.53 and 102,646.08
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Solution
The fourth proportional to 187,528.95, 258,796.53 and 102,646.08 is: 141,655.19
Step by Step Solution
- Step 1: Write the proportion equation
187,528.95 : 258,796.53 = 102,646.08 : x - Step 2: Convert to fraction form
187,528.95/258,796.53 = 102,646.08/x - Step 3: Cross multiply
187,528.95x = 258,796.53 × 102,646.08 - Step 4: Simplify right side
187,528.95x = 26,564,449,322.10 - Step 5: Solve for x
x = 26,564,449,322.10/187,528.95 - Step 6: Final answer
x = 141,655.19
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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.