Finding the Fourth Proportional to 257,394.68, 385,994.82 and 124,230.68
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Solution
The fourth proportional to 257,394.68, 385,994.82 and 124,230.68 is: 186,299.11
Step by Step Solution
- Step 1: Write the proportion equation
257,394.68 : 385,994.82 = 124,230.68 : x - Step 2: Convert to fraction form
257,394.68/385,994.82 = 124,230.68/x - Step 3: Cross multiply
257,394.68x = 385,994.82 × 124,230.68 - Step 4: Simplify right side
257,394.68x = 47,952,398,965.08 - Step 5: Solve for x
x = 47,952,398,965.08/257,394.68 - Step 6: Final answer
x = 186,299.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.