Finding the Fourth Proportional to 272,437.02, 375,953.61 and 149,917.95
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Solution
The fourth proportional to 272,437.02, 375,953.61 and 149,917.95 is: 206,881.56
Step by Step Solution
- Step 1: Write the proportion equation
272,437.02 : 375,953.61 = 149,917.95 : x - Step 2: Convert to fraction form
272,437.02/375,953.61 = 149,917.95/x - Step 3: Cross multiply
272,437.02x = 375,953.61 × 149,917.95 - Step 4: Simplify right side
272,437.02x = 56,362,194,506.30 - Step 5: Solve for x
x = 56,362,194,506.30/272,437.02 - Step 6: Final answer
x = 206,881.56
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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.