Finding the Fourth Proportional to 132,807.36, 199,038.51 and 53,878.53
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Solution
The fourth proportional to 132,807.36, 199,038.51 and 53,878.53 is: 80,747.80
Step by Step Solution
- Step 1: Write the proportion equation
132,807.36 : 199,038.51 = 53,878.53 : x - Step 2: Convert to fraction form
132,807.36/199,038.51 = 53,878.53/x - Step 3: Cross multiply
132,807.36x = 199,038.51 × 53,878.53 - Step 4: Simplify right side
132,807.36x = 10,723,902,332.19 - Step 5: Solve for x
x = 10,723,902,332.19/132,807.36 - Step 6: Final answer
x = 80,747.80
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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.