Finding the Fourth Proportional to 180,750.05, 249,428.67 and 100,185.07
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Solution
The fourth proportional to 180,750.05, 249,428.67 and 100,185.07 is: 138,251.85
Step by Step Solution
- Step 1: Write the proportion equation
180,750.05 : 249,428.67 = 100,185.07 : x - Step 2: Convert to fraction form
180,750.05/249,428.67 = 100,185.07/x - Step 3: Cross multiply
180,750.05x = 249,428.67 × 100,185.07 - Step 4: Simplify right side
180,750.05x = 24,989,028,763.96 - Step 5: Solve for x
x = 24,989,028,763.96/180,750.05 - Step 6: Final answer
x = 138,251.85
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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.