Finding the Fourth Proportional to 190,296.95, 262,730.79 and 118,782.05
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Solution
The fourth proportional to 190,296.95, 262,730.79 and 118,782.05 is: 163,994.75
Step by Step Solution
- Step 1: Write the proportion equation
190,296.95 : 262,730.79 = 118,782.05 : x - Step 2: Convert to fraction form
190,296.95/262,730.79 = 118,782.05/x - Step 3: Cross multiply
190,296.95x = 262,730.79 × 118,782.05 - Step 4: Simplify right side
190,296.95x = 31,207,700,520.67 - Step 5: Solve for x
x = 31,207,700,520.67/190,296.95 - Step 6: Final answer
x = 163,994.75
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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.