Finding the Fourth Proportional to 272,003.05, 375,256.76 and 157,260.68
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Solution
The fourth proportional to 272,003.05, 375,256.76 and 157,260.68 is: 216,957.62
Step by Step Solution
- Step 1: Write the proportion equation
272,003.05 : 375,256.76 = 157,260.68 : x - Step 2: Convert to fraction form
272,003.05/375,256.76 = 157,260.68/x - Step 3: Cross multiply
272,003.05x = 375,256.76 × 157,260.68 - Step 4: Simplify right side
272,003.05x = 59,013,133,252.20 - Step 5: Solve for x
x = 59,013,133,252.20/272,003.05 - Step 6: Final answer
x = 216,957.62
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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.