Finding the Fourth Proportional to 156,602.08, 216,111.44 and 84,982.09
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Solution
The fourth proportional to 156,602.08, 216,111.44 and 84,982.09 is: 117,275.59
Step by Step Solution
- Step 1: Write the proportion equation
156,602.08 : 216,111.44 = 84,982.09 : x - Step 2: Convert to fraction form
156,602.08/216,111.44 = 84,982.09/x - Step 3: Cross multiply
156,602.08x = 216,111.44 × 84,982.09 - Step 4: Simplify right side
156,602.08x = 18,365,601,313.68 - Step 5: Solve for x
x = 18,365,601,313.68/156,602.08 - Step 6: Final answer
x = 117,275.59
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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.