Finding the Fourth Proportional to 408,283.58, 612,549.86 and 208,744.08
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Solution
The fourth proportional to 408,283.58, 612,549.86 and 208,744.08 is: 313,179.77
Step by Step Solution
- Step 1: Write the proportion equation
408,283.58 : 612,549.86 = 208,744.08 : x - Step 2: Convert to fraction form
408,283.58/612,549.86 = 208,744.08/x - Step 3: Cross multiply
408,283.58x = 612,549.86 × 208,744.08 - Step 4: Simplify right side
408,283.58x = 127,866,155,936.11 - Step 5: Solve for x
x = 127,866,155,936.11/408,283.58 - Step 6: Final answer
x = 313,179.77
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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.