Finding the Fourth Proportional to 170,511.84, 235,301.68 and 98,887.28
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Solution
The fourth proportional to 170,511.84, 235,301.68 and 98,887.28 is: 136,461.74
Step by Step Solution
- Step 1: Write the proportion equation
170,511.84 : 235,301.68 = 98,887.28 : x - Step 2: Convert to fraction form
170,511.84/235,301.68 = 98,887.28/x - Step 3: Cross multiply
170,511.84x = 235,301.68 × 98,887.28 - Step 4: Simplify right side
170,511.84x = 23,268,343,114.63 - Step 5: Solve for x
x = 23,268,343,114.63/170,511.84 - Step 6: Final answer
x = 136,461.74
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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.