Finding the Fourth Proportional to 561,859.88, 775,354.84 and 307,211.06
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Solution
The fourth proportional to 561,859.88, 775,354.84 and 307,211.06 is: 423,944.82
Step by Step Solution
- Step 1: Write the proportion equation
561,859.88 : 775,354.84 = 307,211.06 : x - Step 2: Convert to fraction form
561,859.88/775,354.84 = 307,211.06/x - Step 3: Cross multiply
561,859.88x = 775,354.84 × 307,211.06 - Step 4: Simplify right side
561,859.88x = 238,197,583,442.89 - Step 5: Solve for x
x = 238,197,583,442.89/561,859.88 - Step 6: Final answer
x = 423,944.82
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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.