Finding the Fourth Proportional to 366,916.38, 550,457.19 and 130,258.68
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Solution
The fourth proportional to 366,916.38, 550,457.19 and 130,258.68 is: 195,417.35
Step by Step Solution
- Step 1: Write the proportion equation
366,916.38 : 550,457.19 = 130,258.68 : x - Step 2: Convert to fraction form
366,916.38/550,457.19 = 130,258.68/x - Step 3: Cross multiply
366,916.38x = 550,457.19 × 130,258.68 - Step 4: Simplify right side
366,916.38x = 71,701,826,965.91 - Step 5: Solve for x
x = 71,701,826,965.91/366,916.38 - Step 6: Final answer
x = 195,417.35
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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.