Finding the Fourth Proportional to 168,486.98, 232,116.88 and 117,407.01
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Solution
The fourth proportional to 168,486.98, 232,116.88 and 117,407.01 is: 161,746.32
Step by Step Solution
- Step 1: Write the proportion equation
168,486.98 : 232,116.88 = 117,407.01 : x - Step 2: Convert to fraction form
168,486.98/232,116.88 = 117,407.01/x - Step 3: Cross multiply
168,486.98x = 232,116.88 × 117,407.01 - Step 4: Simplify right side
168,486.98x = 27,252,148,557.81 - Step 5: Solve for x
x = 27,252,148,557.81/168,486.98 - Step 6: Final answer
x = 161,746.32
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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.