Finding the Fourth Proportional to 370,830.75, 556,218.18 and 118,101.03
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Solution
The fourth proportional to 370,830.75, 556,218.18 and 118,101.03 is: 177,142.65
Step by Step Solution
- Step 1: Write the proportion equation
370,830.75 : 556,218.18 = 118,101.03 : x - Step 2: Convert to fraction form
370,830.75/556,218.18 = 118,101.03/x - Step 3: Cross multiply
370,830.75x = 556,218.18 × 118,101.03 - Step 4: Simplify right side
370,830.75x = 65,689,939,962.73 - Step 5: Solve for x
x = 65,689,939,962.73/370,830.75 - Step 6: Final answer
x = 177,142.65
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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.