Finding the Fourth Proportional to 212,790.08, 293,643.36 and 117,295.04
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Solution
The fourth proportional to 212,790.08, 293,643.36 and 117,295.04 is: 161,863.32
Step by Step Solution
- Step 1: Write the proportion equation
212,790.08 : 293,643.36 = 117,295.04 : x - Step 2: Convert to fraction form
212,790.08/293,643.36 = 117,295.04/x - Step 3: Cross multiply
212,790.08x = 293,643.36 × 117,295.04 - Step 4: Simplify right side
212,790.08x = 34,442,909,656.93 - Step 5: Solve for x
x = 34,442,909,656.93/212,790.08 - Step 6: Final answer
x = 161,863.32
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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.