Finding the Fourth Proportional to 156,944.70, 235,413.39 and 38,617.08
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Solution
The fourth proportional to 156,944.70, 235,413.39 and 38,617.08 is: 57,924.72
Step by Step Solution
- Step 1: Write the proportion equation
156,944.70 : 235,413.39 = 38,617.08 : x - Step 2: Convert to fraction form
156,944.70/235,413.39 = 38,617.08/x - Step 3: Cross multiply
156,944.70x = 235,413.39 × 38,617.08 - Step 4: Simplify right side
156,944.70x = 9,090,977,714.70 - Step 5: Solve for x
x = 9,090,977,714.70/156,944.70 - Step 6: Final answer
x = 57,924.72
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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.