Finding the Fourth Proportional to 186,722.63, 257,631.12 and 110,243.51
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Solution
The fourth proportional to 186,722.63, 257,631.12 and 110,243.51 is: 152,108.82
Step by Step Solution
- Step 1: Write the proportion equation
186,722.63 : 257,631.12 = 110,243.51 : x - Step 2: Convert to fraction form
186,722.63/257,631.12 = 110,243.51/x - Step 3: Cross multiply
186,722.63x = 257,631.12 × 110,243.51 - Step 4: Simplify right side
186,722.63x = 28,402,158,954.03 - Step 5: Solve for x
x = 28,402,158,954.03/186,722.63 - Step 6: Final answer
x = 152,108.82
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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.