Finding the Fourth Proportional to 180,927.72, 249,516.84 and 112,950.99
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Solution
The fourth proportional to 180,927.72, 249,516.84 and 112,950.99 is: 155,770.35
Step by Step Solution
- Step 1: Write the proportion equation
180,927.72 : 249,516.84 = 112,950.99 : x - Step 2: Convert to fraction form
180,927.72/249,516.84 = 112,950.99/x - Step 3: Cross multiply
180,927.72x = 249,516.84 × 112,950.99 - Step 4: Simplify right side
180,927.72x = 28,183,174,099.67 - Step 5: Solve for x
x = 28,183,174,099.67/180,927.72 - Step 6: Final answer
x = 155,770.35
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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.