Finding the Fourth Proportional to 408,657.49, 612,980.07 and 183,859.18
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Solution
The fourth proportional to 408,657.49, 612,980.07 and 183,859.18 is: 275,786.00
Step by Step Solution
- Step 1: Write the proportion equation
408,657.49 : 612,980.07 = 183,859.18 : x - Step 2: Convert to fraction form
408,657.49/612,980.07 = 183,859.18/x - Step 3: Cross multiply
408,657.49x = 612,980.07 × 183,859.18 - Step 4: Simplify right side
408,657.49x = 112,702,013,026.54 - Step 5: Solve for x
x = 112,702,013,026.54/408,657.49 - Step 6: Final answer
x = 275,786.00
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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.