Finding the Fourth Proportional to 369,489.62, 509,852.34 and 208,335.06
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Solution
The fourth proportional to 369,489.62, 509,852.34 and 208,335.06 is: 287,477.95
Step by Step Solution
- Step 1: Write the proportion equation
369,489.62 : 509,852.34 = 208,335.06 : x - Step 2: Convert to fraction form
369,489.62/509,852.34 = 208,335.06/x - Step 3: Cross multiply
369,489.62x = 509,852.34 × 208,335.06 - Step 4: Simplify right side
369,489.62x = 106,220,117,845.04 - Step 5: Solve for x
x = 106,220,117,845.04/369,489.62 - Step 6: Final answer
x = 287,477.95
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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.