Finding the Fourth Proportional to 135,038.79, 202,685.28 and 68,526.63
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Solution
The fourth proportional to 135,038.79, 202,685.28 and 68,526.63 is: 102,854.44
Step by Step Solution
- Step 1: Write the proportion equation
135,038.79 : 202,685.28 = 68,526.63 : x - Step 2: Convert to fraction form
135,038.79/202,685.28 = 68,526.63/x - Step 3: Cross multiply
135,038.79x = 202,685.28 × 68,526.63 - Step 4: Simplify right side
135,038.79x = 13,889,339,189.01 - Step 5: Solve for x
x = 13,889,339,189.01/135,038.79 - Step 6: Final answer
x = 102,854.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.