Finding the Fourth Proportional to 290,602.19, 401,063.47 and 175,943.99
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Solution
The fourth proportional to 290,602.19, 401,063.47 and 175,943.99 is: 242,822.35
Step by Step Solution
- Step 1: Write the proportion equation
290,602.19 : 401,063.47 = 175,943.99 : x - Step 2: Convert to fraction form
290,602.19/401,063.47 = 175,943.99/x - Step 3: Cross multiply
290,602.19x = 401,063.47 × 175,943.99 - Step 4: Simplify right side
290,602.19x = 70,564,707,717.84 - Step 5: Solve for x
x = 70,564,707,717.84/290,602.19 - Step 6: Final answer
x = 242,822.35
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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.