Finding the Fourth Proportional to 117,497.08, 162,146.06 and 63,782.08
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Solution
The fourth proportional to 117,497.08, 162,146.06 and 63,782.08 is: 88,019.32
Step by Step Solution
- Step 1: Write the proportion equation
117,497.08 : 162,146.06 = 63,782.08 : x - Step 2: Convert to fraction form
117,497.08/162,146.06 = 63,782.08/x - Step 3: Cross multiply
117,497.08x = 162,146.06 × 63,782.08 - Step 4: Simplify right side
117,497.08x = 10,342,012,970.60 - Step 5: Solve for x
x = 10,342,012,970.60/117,497.08 - Step 6: Final answer
x = 88,019.32
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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.