Finding the Fourth Proportional to 660,635.60, 990,991.08 and 187,283.75
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Solution
The fourth proportional to 660,635.60, 990,991.08 and 187,283.75 is: 280,936.31
Step by Step Solution
- Step 1: Write the proportion equation
660,635.60 : 990,991.08 = 187,283.75 : x - Step 2: Convert to fraction form
660,635.60/990,991.08 = 187,283.75/x - Step 3: Cross multiply
660,635.60x = 990,991.08 × 187,283.75 - Step 4: Simplify right side
660,635.60x = 185,596,525,678.95 - Step 5: Solve for x
x = 185,596,525,678.95/660,635.60 - Step 6: Final answer
x = 280,936.31
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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.