Finding the Fourth Proportional to 611,110.17, 843,371.44 and 339,178.08
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Solution
The fourth proportional to 611,110.17, 843,371.44 and 339,178.08 is: 468,087.62
Step by Step Solution
- Step 1: Write the proportion equation
611,110.17 : 843,371.44 = 339,178.08 : x - Step 2: Convert to fraction form
611,110.17/843,371.44 = 339,178.08/x - Step 3: Cross multiply
611,110.17x = 843,371.44 × 339,178.08 - Step 4: Simplify right side
611,110.17x = 286,053,105,746.04 - Step 5: Solve for x
x = 286,053,105,746.04/611,110.17 - Step 6: Final answer
x = 468,087.62
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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.