Finding the Fourth Proportional to 148,974.29, 205,445.26 and 114,929.08
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Solution
The fourth proportional to 148,974.29, 205,445.26 and 114,929.08 is: 158,494.69
Step by Step Solution
- Step 1: Write the proportion equation
148,974.29 : 205,445.26 = 114,929.08 : x - Step 2: Convert to fraction form
148,974.29/205,445.26 = 114,929.08/x - Step 3: Cross multiply
148,974.29x = 205,445.26 × 114,929.08 - Step 4: Simplify right side
148,974.29x = 23,611,634,352.21 - Step 5: Solve for x
x = 23,611,634,352.21/148,974.29 - Step 6: Final answer
x = 158,494.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.