Finding the Fourth Proportional to 316,495.68, 474,668.99 and 91,796.82
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Solution
The fourth proportional to 316,495.68, 474,668.99 and 91,796.82 is: 137,673.61
Step by Step Solution
- Step 1: Write the proportion equation
316,495.68 : 474,668.99 = 91,796.82 : x - Step 2: Convert to fraction form
316,495.68/474,668.99 = 91,796.82/x - Step 3: Cross multiply
316,495.68x = 474,668.99 × 91,796.82 - Step 4: Simplify right side
316,495.68x = 43,573,103,834.61 - Step 5: Solve for x
x = 43,573,103,834.61/316,495.68 - Step 6: Final answer
x = 137,673.61
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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.