Finding the Fourth Proportional to 824,603.69, 1,236,455.89 and 248,142.99
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Solution
The fourth proportional to 824,603.69, 1,236,455.89 and 248,142.99 is: 372,079.18
Step by Step Solution
- Step 1: Write the proportion equation
824,603.69 : 1,236,455.89 = 248,142.99 : x - Step 2: Convert to fraction form
824,603.69/1,236,455.89 = 248,142.99/x - Step 3: Cross multiply
824,603.69x = 1,236,455.89 × 248,142.99 - Step 4: Simplify right side
824,603.69x = 306,817,865,564.06 - Step 5: Solve for x
x = 306,817,865,564.06/824,603.69 - Step 6: Final answer
x = 372,079.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.