Finding the Fourth Proportional to 135,013.61, 202,462.70 and 46,276.09
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Solution
The fourth proportional to 135,013.61, 202,462.70 and 46,276.09 is: 69,394.35
Step by Step Solution
- Step 1: Write the proportion equation
135,013.61 : 202,462.70 = 46,276.09 : x - Step 2: Convert to fraction form
135,013.61/202,462.70 = 46,276.09/x - Step 3: Cross multiply
135,013.61x = 202,462.70 × 46,276.09 - Step 4: Simplify right side
135,013.61x = 9,369,181,389.31 - Step 5: Solve for x
x = 9,369,181,389.31/135,013.61 - Step 6: Final answer
x = 69,394.35
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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.