Finding the Fourth Proportional to 442,121.08, 610,405.80 and 313,332.68
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Solution
The fourth proportional to 442,121.08, 610,405.80 and 313,332.68 is: 432,596.62
Step by Step Solution
- Step 1: Write the proportion equation
442,121.08 : 610,405.80 = 313,332.68 : x - Step 2: Convert to fraction form
442,121.08/610,405.80 = 313,332.68/x - Step 3: Cross multiply
442,121.08x = 610,405.80 × 313,332.68 - Step 4: Simplify right side
442,121.08x = 191,260,085,201.54 - Step 5: Solve for x
x = 191,260,085,201.54/442,121.08 - Step 6: Final answer
x = 432,596.62
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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.