Finding the Fourth Proportional to 616,411.06, 850,573.59 and 340,731.68
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Solution
The fourth proportional to 616,411.06, 850,573.59 and 340,731.68 is: 470,168.99
Step by Step Solution
- Step 1: Write the proportion equation
616,411.06 : 850,573.59 = 340,731.68 : x - Step 2: Convert to fraction form
616,411.06/850,573.59 = 340,731.68/x - Step 3: Cross multiply
616,411.06x = 850,573.59 × 340,731.68 - Step 4: Simplify right side
616,411.06x = 289,817,368,284.33 - Step 5: Solve for x
x = 289,817,368,284.33/616,411.06 - Step 6: Final answer
x = 470,168.99
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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.