Finding the Fourth Proportional to 197,328.65, 295,855.68 and 84,975.17
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Solution
The fourth proportional to 197,328.65, 295,855.68 and 84,975.17 is: 127,403.63
Step by Step Solution
- Step 1: Write the proportion equation
197,328.65 : 295,855.68 = 84,975.17 : x - Step 2: Convert to fraction form
197,328.65/295,855.68 = 84,975.17/x - Step 3: Cross multiply
197,328.65x = 295,855.68 × 84,975.17 - Step 4: Simplify right side
197,328.65x = 25,140,386,703.47 - Step 5: Solve for x
x = 25,140,386,703.47/197,328.65 - Step 6: Final answer
x = 127,403.63
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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.