Finding the Fourth Proportional to 212,684.30, 293,501.98 and 120,802.96
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Solution
The fourth proportional to 212,684.30, 293,501.98 and 120,802.96 is: 166,706.75
Step by Step Solution
- Step 1: Write the proportion equation
212,684.30 : 293,501.98 = 120,802.96 : x - Step 2: Convert to fraction form
212,684.30/293,501.98 = 120,802.96/x - Step 3: Cross multiply
212,684.30x = 293,501.98 × 120,802.96 - Step 4: Simplify right side
212,684.30x = 35,455,908,467.74 - Step 5: Solve for x
x = 35,455,908,467.74/212,684.30 - Step 6: Final answer
x = 166,706.75
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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.