Finding the Fourth Proportional to 316,328.76, 474,548.49 and 204,117.21
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Solution
The fourth proportional to 316,328.76, 474,548.49 and 204,117.21 is: 306,211.53
Step by Step Solution
- Step 1: Write the proportion equation
316,328.76 : 474,548.49 = 204,117.21 : x - Step 2: Convert to fraction form
316,328.76/474,548.49 = 204,117.21/x - Step 3: Cross multiply
316,328.76x = 474,548.49 × 204,117.21 - Step 4: Simplify right side
316,328.76x = 96,863,513,788.51 - Step 5: Solve for x
x = 96,863,513,788.51/316,328.76 - Step 6: Final answer
x = 306,211.53
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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.