Finding the Fourth Proportional to 180,481.29, 249,066.36 and 99,916.26
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Solution
The fourth proportional to 180,481.29, 249,066.36 and 99,916.26 is: 137,885.65
Step by Step Solution
- Step 1: Write the proportion equation
180,481.29 : 249,066.36 = 99,916.26 : x - Step 2: Convert to fraction form
180,481.29/249,066.36 = 99,916.26/x - Step 3: Cross multiply
180,481.29x = 249,066.36 × 99,916.26 - Step 4: Simplify right side
180,481.29x = 24,885,779,183.01 - Step 5: Solve for x
x = 24,885,779,183.01/180,481.29 - Step 6: Final answer
x = 137,885.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.