Finding the Fourth Proportional to 581,701.68, 872,081.76 and 261,619.12
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Solution
The fourth proportional to 581,701.68, 872,081.76 and 261,619.12 is: 392,216.96
Step by Step Solution
- Step 1: Write the proportion equation
581,701.68 : 872,081.76 = 261,619.12 : x - Step 2: Convert to fraction form
581,701.68/872,081.76 = 261,619.12/x - Step 3: Cross multiply
581,701.68x = 872,081.76 × 261,619.12 - Step 4: Simplify right side
581,701.68x = 228,153,262,619.25 - Step 5: Solve for x
x = 228,153,262,619.25/581,701.68 - Step 6: Final answer
x = 392,216.96
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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.