Finding the Fourth Proportional to 320,862.13, 442,814.33 and 183,044.09
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Solution
The fourth proportional to 320,862.13, 442,814.33 and 183,044.09 is: 252,614.88
Step by Step Solution
- Step 1: Write the proportion equation
320,862.13 : 442,814.33 = 183,044.09 : x - Step 2: Convert to fraction form
320,862.13/442,814.33 = 183,044.09/x - Step 3: Cross multiply
320,862.13x = 442,814.33 × 183,044.09 - Step 4: Simplify right side
320,862.13x = 81,054,547,638.46 - Step 5: Solve for x
x = 81,054,547,638.46/320,862.13 - Step 6: Final answer
x = 252,614.88
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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.