Finding the Fourth Proportional to 272,001.05, 375,353.98 and 151,139.23
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Solution
The fourth proportional to 272,001.05, 375,353.98 and 151,139.23 is: 208,567.99
Step by Step Solution
- Step 1: Write the proportion equation
272,001.05 : 375,353.98 = 151,139.23 : x - Step 2: Convert to fraction form
272,001.05/375,353.98 = 151,139.23/x - Step 3: Cross multiply
272,001.05x = 375,353.98 × 151,139.23 - Step 4: Simplify right side
272,001.05x = 56,730,711,514.64 - Step 5: Solve for x
x = 56,730,711,514.64/272,001.05 - Step 6: Final answer
x = 208,567.99
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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.