Finding the Fourth Proportional to 319,821.03, 441,350.03 and 176,582.09
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Solution
The fourth proportional to 319,821.03, 441,350.03 and 176,582.09 is: 243,681.63
Step by Step Solution
- Step 1: Write the proportion equation
319,821.03 : 441,350.03 = 176,582.09 : x - Step 2: Convert to fraction form
319,821.03/441,350.03 = 176,582.09/x - Step 3: Cross multiply
319,821.03x = 441,350.03 × 176,582.09 - Step 4: Simplify right side
319,821.03x = 77,934,510,718.96 - Step 5: Solve for x
x = 77,934,510,718.96/319,821.03 - Step 6: Final answer
x = 243,681.63
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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.