Finding the Fourth Proportional to 581,917.21, 802,925.37 and 340,153.02
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Solution
The fourth proportional to 581,917.21, 802,925.37 and 340,153.02 is: 469,340.80
Step by Step Solution
- Step 1: Write the proportion equation
581,917.21 : 802,925.37 = 340,153.02 : x - Step 2: Convert to fraction form
581,917.21/802,925.37 = 340,153.02/x - Step 3: Cross multiply
581,917.21x = 802,925.37 × 340,153.02 - Step 4: Simplify right side
581,917.21x = 273,117,489,440.12 - Step 5: Solve for x
x = 273,117,489,440.12/581,917.21 - Step 6: Final answer
x = 469,340.80
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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.