Finding the Fourth Proportional to 102,201.08, 153,324.66 and 31,130.06
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Solution
The fourth proportional to 102,201.08, 153,324.66 and 31,130.06 is: 46,702.11
Step by Step Solution
- Step 1: Write the proportion equation
102,201.08 : 153,324.66 = 31,130.06 : x - Step 2: Convert to fraction form
102,201.08/153,324.66 = 31,130.06/x - Step 3: Cross multiply
102,201.08x = 153,324.66 × 31,130.06 - Step 4: Simplify right side
102,201.08x = 4,773,005,865.28 - Step 5: Solve for x
x = 4,773,005,865.28/102,201.08 - Step 6: Final answer
x = 46,702.11
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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.