Finding the Fourth Proportional to 286,646.40, 429,858.96 and 94,474.68
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Solution
The fourth proportional to 286,646.40, 429,858.96 and 94,474.68 is: 141,675.55
Step by Step Solution
- Step 1: Write the proportion equation
286,646.40 : 429,858.96 = 94,474.68 : x - Step 2: Convert to fraction form
286,646.40/429,858.96 = 94,474.68/x - Step 3: Cross multiply
286,646.40x = 429,858.96 × 94,474.68 - Step 4: Simplify right side
286,646.40x = 40,610,787,691.13 - Step 5: Solve for x
x = 40,610,787,691.13/286,646.40 - Step 6: Final answer
x = 141,675.55
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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.