Finding the Fourth Proportional to 935,332.14, 1,403,001.15 and 261,408.99
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Solution
The fourth proportional to 935,332.14, 1,403,001.15 and 261,408.99 is: 392,114.31
Step by Step Solution
- Step 1: Write the proportion equation
935,332.14 : 1,403,001.15 = 261,408.99 : x - Step 2: Convert to fraction form
935,332.14/1,403,001.15 = 261,408.99/x - Step 3: Cross multiply
935,332.14x = 1,403,001.15 × 261,408.99 - Step 4: Simplify right side
935,332.14x = 366,757,113,590.34 - Step 5: Solve for x
x = 366,757,113,590.34/935,332.14 - Step 6: Final answer
x = 392,114.31
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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.