Finding the Fourth Proportional to 133,030.26, 199,545.36 and 88,743.48
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Solution
The fourth proportional to 133,030.26, 199,545.36 and 88,743.48 is: 133,115.20
Step by Step Solution
- Step 1: Write the proportion equation
133,030.26 : 199,545.36 = 88,743.48 : x - Step 2: Convert to fraction form
133,030.26/199,545.36 = 88,743.48/x - Step 3: Cross multiply
133,030.26x = 199,545.36 × 88,743.48 - Step 4: Simplify right side
133,030.26x = 17,708,349,664.25 - Step 5: Solve for x
x = 17,708,349,664.25/133,030.26 - Step 6: Final answer
x = 133,115.20
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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.