Finding the Fourth Proportional to 121,278.41, 181,913.50 and 37,035.17
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Solution
The fourth proportional to 121,278.41, 181,913.50 and 37,035.17 is: 55,551.49
Step by Step Solution
- Step 1: Write the proportion equation
121,278.41 : 181,913.50 = 37,035.17 : x - Step 2: Convert to fraction form
121,278.41/181,913.50 = 37,035.17/x - Step 3: Cross multiply
121,278.41x = 181,913.50 × 37,035.17 - Step 4: Simplify right side
121,278.41x = 6,737,196,303.05 - Step 5: Solve for x
x = 6,737,196,303.05/121,278.41 - Step 6: Final answer
x = 55,551.49
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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.