Finding the Fourth Proportional to 251,069.74, 346,526.53 and 149,151.82
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Solution
The fourth proportional to 251,069.74, 346,526.53 and 149,151.82 is: 205,859.38
Step by Step Solution
- Step 1: Write the proportion equation
251,069.74 : 346,526.53 = 149,151.82 : x - Step 2: Convert to fraction form
251,069.74/346,526.53 = 149,151.82/x - Step 3: Cross multiply
251,069.74x = 346,526.53 × 149,151.82 - Step 4: Simplify right side
251,069.74x = 51,685,060,895.15 - Step 5: Solve for x
x = 51,685,060,895.15/251,069.74 - Step 6: Final answer
x = 205,859.38
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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.