Finding the Fourth Proportional to 168,477.75, 232,309.75 and 137,754.99
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Solution
The fourth proportional to 168,477.75, 232,309.75 and 137,754.99 is: 189,946.91
Step by Step Solution
- Step 1: Write the proportion equation
168,477.75 : 232,309.75 = 137,754.99 : x - Step 2: Convert to fraction form
168,477.75/232,309.75 = 137,754.99/x - Step 3: Cross multiply
168,477.75x = 232,309.75 × 137,754.99 - Step 4: Simplify right side
168,477.75x = 32,001,827,288.15 - Step 5: Solve for x
x = 32,001,827,288.15/168,477.75 - Step 6: Final answer
x = 189,946.91
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1.5x scale
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.