Finding the Fourth Proportional to 276,726.70, 415,090.05 and 99,251.65
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Solution
The fourth proportional to 276,726.70, 415,090.05 and 99,251.65 is: 148,877.48
Step by Step Solution
- Step 1: Write the proportion equation
276,726.70 : 415,090.05 = 99,251.65 : x - Step 2: Convert to fraction form
276,726.70/415,090.05 = 99,251.65/x - Step 3: Cross multiply
276,726.70x = 415,090.05 × 99,251.65 - Step 4: Simplify right side
276,726.70x = 41,198,372,361.08 - Step 5: Solve for x
x = 41,198,372,361.08/276,726.70 - Step 6: Final answer
x = 148,877.48
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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.