Finding the Fourth Proportional to 316,269.68, 474,392.52 and 79,609.28
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Solution
The fourth proportional to 316,269.68, 474,392.52 and 79,609.28 is: 119,410.90
Step by Step Solution
- Step 1: Write the proportion equation
316,269.68 : 474,392.52 = 79,609.28 : x - Step 2: Convert to fraction form
316,269.68/474,392.52 = 79,609.28/x - Step 3: Cross multiply
316,269.68x = 474,392.52 × 79,609.28 - Step 4: Simplify right side
316,269.68x = 37,766,046,954.59 - Step 5: Solve for x
x = 37,766,046,954.59/316,269.68 - Step 6: Final answer
x = 119,410.90
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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.