Finding the Fourth Proportional to 245,716.94, 368,574.98 and 77,251.96
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Solution
The fourth proportional to 245,716.94, 368,574.98 and 77,251.96 is: 115,877.80
Step by Step Solution
- Step 1: Write the proportion equation
245,716.94 : 368,574.98 = 77,251.96 : x - Step 2: Convert to fraction form
245,716.94/368,574.98 = 77,251.96/x - Step 3: Cross multiply
245,716.94x = 368,574.98 × 77,251.96 - Step 4: Simplify right side
245,716.94x = 28,473,139,686.42 - Step 5: Solve for x
x = 28,473,139,686.42/245,716.94 - Step 6: Final answer
x = 115,877.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.