Finding the Fourth Proportional to 118,475.12, 177,762.13 and 51,962.99
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Solution
The fourth proportional to 118,475.12, 177,762.13 and 51,962.99 is: 77,966.16
Step by Step Solution
- Step 1: Write the proportion equation
118,475.12 : 177,762.13 = 51,962.99 : x - Step 2: Convert to fraction form
118,475.12/177,762.13 = 51,962.99/x - Step 3: Cross multiply
118,475.12x = 177,762.13 × 51,962.99 - Step 4: Simplify right side
118,475.12x = 9,237,050,764.85 - Step 5: Solve for x
x = 9,237,050,764.85/118,475.12 - Step 6: Final answer
x = 77,966.16
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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.