Finding the Fourth Proportional to 121,248.05, 181,872.05 and 37,008.63
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Solution
The fourth proportional to 121,248.05, 181,872.05 and 37,008.63 is: 55,512.94
Step by Step Solution
- Step 1: Write the proportion equation
121,248.05 : 181,872.05 = 37,008.63 : x - Step 2: Convert to fraction form
121,248.05/181,872.05 = 37,008.63/x - Step 3: Cross multiply
121,248.05x = 181,872.05 × 37,008.63 - Step 4: Simplify right side
121,248.05x = 6,730,835,220.75 - Step 5: Solve for x
x = 6,730,835,220.75/121,248.05 - Step 6: Final answer
x = 55,512.94
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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.