Finding the Fourth Proportional to 163,980.99, 226,292.67 and 92,384.01
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Solution
The fourth proportional to 163,980.99, 226,292.67 and 92,384.01 is: 127,489.32
Step by Step Solution
- Step 1: Write the proportion equation
163,980.99 : 226,292.67 = 92,384.01 : x - Step 2: Convert to fraction form
163,980.99/226,292.67 = 92,384.01/x - Step 3: Cross multiply
163,980.99x = 226,292.67 × 92,384.01 - Step 4: Simplify right side
163,980.99x = 20,905,824,288.21 - Step 5: Solve for x
x = 20,905,824,288.21/163,980.99 - Step 6: Final answer
x = 127,489.32
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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.