Finding the Fourth Proportional to 286,926.59, 429,891.12 and 201,355.97
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Solution
The fourth proportional to 286,926.59, 429,891.12 and 201,355.97 is: 301,683.94
Step by Step Solution
- Step 1: Write the proportion equation
286,926.59 : 429,891.12 = 201,355.97 : x - Step 2: Convert to fraction form
286,926.59/429,891.12 = 201,355.97/x - Step 3: Cross multiply
286,926.59x = 429,891.12 × 201,355.97 - Step 4: Simplify right side
286,926.59x = 86,561,141,312.53 - Step 5: Solve for x
x = 86,561,141,312.53/286,926.59 - Step 6: Final answer
x = 301,683.94
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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.