Finding the Fourth Proportional to 168,630.24, 232,708.08 and 93,177.12
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Solution
The fourth proportional to 168,630.24, 232,708.08 and 93,177.12 is: 128,583.51
Step by Step Solution
- Step 1: Write the proportion equation
168,630.24 : 232,708.08 = 93,177.12 : x - Step 2: Convert to fraction form
168,630.24/232,708.08 = 93,177.12/x - Step 3: Cross multiply
168,630.24x = 232,708.08 × 93,177.12 - Step 4: Simplify right side
168,630.24x = 21,683,068,695.13 - Step 5: Solve for x
x = 21,683,068,695.13/168,630.24 - Step 6: Final answer
x = 128,583.51
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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.