Finding the Fourth Proportional to 408,347.64, 612,472.86 and 108,850.68
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Solution
The fourth proportional to 408,347.64, 612,472.86 and 108,850.68 is: 163,263.07
Step by Step Solution
- Step 1: Write the proportion equation
408,347.64 : 612,472.86 = 108,850.68 : x - Step 2: Convert to fraction form
408,347.64/612,472.86 = 108,850.68/x - Step 3: Cross multiply
408,347.64x = 612,472.86 × 108,850.68 - Step 4: Simplify right side
408,347.64x = 66,668,087,292.54 - Step 5: Solve for x
x = 66,668,087,292.54/408,347.64 - Step 6: Final answer
x = 163,263.07
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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.