Finding the Fourth Proportional to 163,683.12, 226,009.80 and 127,810.92
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Solution
The fourth proportional to 163,683.12, 226,009.80 and 127,810.92 is: 176,478.31
Step by Step Solution
- Step 1: Write the proportion equation
163,683.12 : 226,009.80 = 127,810.92 : x - Step 2: Convert to fraction form
163,683.12/226,009.80 = 127,810.92/x - Step 3: Cross multiply
163,683.12x = 226,009.80 × 127,810.92 - Step 4: Simplify right side
163,683.12x = 28,886,520,467.02 - Step 5: Solve for x
x = 28,886,520,467.02/163,683.12 - Step 6: Final answer
x = 176,478.31
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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.