Finding the Fourth Proportional to 352,307.60, 528,072.60 and 194,649.20
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Solution
The fourth proportional to 352,307.60, 528,072.60 and 194,649.20 is: 291,758.99
Step by Step Solution
- Step 1: Write the proportion equation
352,307.60 : 528,072.60 = 194,649.20 : x - Step 2: Convert to fraction form
352,307.60/528,072.60 = 194,649.20/x - Step 3: Cross multiply
352,307.60x = 528,072.60 × 194,649.20 - Step 4: Simplify right side
352,307.60x = 102,788,909,131.92 - Step 5: Solve for x
x = 102,788,909,131.92/352,307.60 - Step 6: Final answer
x = 291,758.99
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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.