Finding the Fourth Proportional to 219,514.42, 302,929.26 and 124,021.06
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Solution
The fourth proportional to 219,514.42, 302,929.26 and 124,021.06 is: 171,148.70
Step by Step Solution
- Step 1: Write the proportion equation
219,514.42 : 302,929.26 = 124,021.06 : x - Step 2: Convert to fraction form
219,514.42/302,929.26 = 124,021.06/x - Step 3: Cross multiply
219,514.42x = 302,929.26 × 124,021.06 - Step 4: Simplify right side
219,514.42x = 37,569,607,930.22 - Step 5: Solve for x
x = 37,569,607,930.22/219,514.42 - Step 6: Final answer
x = 171,148.70
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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.