Finding the Fourth Proportional to 368,130.48, 506,766.36 and 272,456.88
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Solution
The fourth proportional to 368,130.48, 506,766.36 and 272,456.88 is: 375,062.62
Step by Step Solution
- Step 1: Write the proportion equation
368,130.48 : 506,766.36 = 272,456.88 : x - Step 2: Convert to fraction form
368,130.48/506,766.36 = 272,456.88/x - Step 3: Cross multiply
368,130.48x = 506,766.36 × 272,456.88 - Step 4: Simplify right side
368,130.48x = 138,071,981,334.56 - Step 5: Solve for x
x = 138,071,981,334.56/368,130.48 - Step 6: Final answer
x = 375,062.62
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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.