Finding the Fourth Proportional to 207,277.60, 310,916.40 and 202,669.60
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Solution
The fourth proportional to 207,277.60, 310,916.40 and 202,669.60 is: 304,004.40
Step by Step Solution
- Step 1: Write the proportion equation
207,277.60 : 310,916.40 = 202,669.60 : x - Step 2: Convert to fraction form
207,277.60/310,916.40 = 202,669.60/x - Step 3: Cross multiply
207,277.60x = 310,916.40 × 202,669.60 - Step 4: Simplify right side
207,277.60x = 63,013,302,421.44 - Step 5: Solve for x
x = 63,013,302,421.44/207,277.60 - Step 6: Final answer
x = 304,004.40
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1.5x scale
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.