Finding the Fourth Proportional to 664,775.30, 996,968.55 and 238,261.70
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Solution
The fourth proportional to 664,775.30, 996,968.55 and 238,261.70 is: 357,322.88
Step by Step Solution
- Step 1: Write the proportion equation
664,775.30 : 996,968.55 = 238,261.70 : x - Step 2: Convert to fraction form
664,775.30/996,968.55 = 238,261.70/x - Step 3: Cross multiply
664,775.30x = 996,968.55 × 238,261.70 - Step 4: Simplify right side
664,775.30x = 237,539,421,569.54 - Step 5: Solve for x
x = 237,539,421,569.54/664,775.30 - Step 6: Final answer
x = 357,322.88
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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.