Finding the Fourth Proportional to 476,251.70, 657,239.81 and 272,335.82
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Solution
The fourth proportional to 476,251.70, 657,239.81 and 272,335.82 is: 375,830.55
Step by Step Solution
- Step 1: Write the proportion equation
476,251.70 : 657,239.81 = 272,335.82 : x - Step 2: Convert to fraction form
476,251.70/657,239.81 = 272,335.82/x - Step 3: Cross multiply
476,251.70x = 657,239.81 × 272,335.82 - Step 4: Simplify right side
476,251.70x = 178,989,937,945.12 - Step 5: Solve for x
x = 178,989,937,945.12/476,251.70 - Step 6: Final answer
x = 375,830.55
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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.