Finding the Fourth Proportional to 372,645.68, 559,055.16 and 106,409.84
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Solution
The fourth proportional to 372,645.68, 559,055.16 and 106,409.84 is: 159,639.50
Step by Step Solution
- Step 1: Write the proportion equation
372,645.68 : 559,055.16 = 106,409.84 : x - Step 2: Convert to fraction form
372,645.68/559,055.16 = 106,409.84/x - Step 3: Cross multiply
372,645.68x = 559,055.16 × 106,409.84 - Step 4: Simplify right side
372,645.68x = 59,488,970,126.77 - Step 5: Solve for x
x = 59,488,970,126.77/372,645.68 - Step 6: Final answer
x = 159,639.50
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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.