Finding the Fourth Proportional to 591,996.19, 887,992.35 and 212,916.31
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Solution
The fourth proportional to 591,996.19, 887,992.35 and 212,916.31 is: 319,373.77
Step by Step Solution
- Step 1: Write the proportion equation
591,996.19 : 887,992.35 = 212,916.31 : x - Step 2: Convert to fraction form
591,996.19/887,992.35 = 212,916.31/x - Step 3: Cross multiply
591,996.19x = 887,992.35 × 212,916.31 - Step 4: Simplify right side
591,996.19x = 189,068,054,470.23 - Step 5: Solve for x
x = 189,068,054,470.23/591,996.19 - Step 6: Final answer
x = 319,373.77
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1.5x scale
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.