Finding the Fourth Proportional to 121,562.08, 182,340.96 and 38,456.08
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Solution
The fourth proportional to 121,562.08, 182,340.96 and 38,456.08 is: 57,683.44
Step by Step Solution
- Step 1: Write the proportion equation
121,562.08 : 182,340.96 = 38,456.08 : x - Step 2: Convert to fraction form
121,562.08/182,340.96 = 38,456.08/x - Step 3: Cross multiply
121,562.08x = 182,340.96 × 38,456.08 - Step 4: Simplify right side
121,562.08x = 7,012,118,545.04 - Step 5: Solve for x
x = 7,012,118,545.04/121,562.08 - Step 6: Final answer
x = 57,683.44
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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.