Finding the Fourth Proportional to 316,283.29, 474,424.96 and 91,643.88
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Solution
The fourth proportional to 316,283.29, 474,424.96 and 91,643.88 is: 137,465.83
Step by Step Solution
- Step 1: Write the proportion equation
316,283.29 : 474,424.96 = 91,643.88 : x - Step 2: Convert to fraction form
316,283.29/474,424.96 = 91,643.88/x - Step 3: Cross multiply
316,283.29x = 474,424.96 × 91,643.88 - Step 4: Simplify right side
316,283.29x = 43,478,144,103.24 - Step 5: Solve for x
x = 43,478,144,103.24/316,283.29 - Step 6: Final answer
x = 137,465.83
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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.