Finding the Fourth Proportional to 272,051.05, 375,421.45 and 149,543.84
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Solution
The fourth proportional to 272,051.05, 375,421.45 and 149,543.84 is: 206,365.55
Step by Step Solution
- Step 1: Write the proportion equation
272,051.05 : 375,421.45 = 149,543.84 : x - Step 2: Convert to fraction form
272,051.05/375,421.45 = 149,543.84/x - Step 3: Cross multiply
272,051.05x = 375,421.45 × 149,543.84 - Step 4: Simplify right side
272,051.05x = 56,141,962,626.54 - Step 5: Solve for x
x = 56,141,962,626.54/272,051.05 - Step 6: Final answer
x = 206,365.55
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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.