Finding the Fourth Proportional to 313,283.05, 432,294.66 and 175,442.75
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Solution
The fourth proportional to 313,283.05, 432,294.66 and 175,442.75 is: 242,090.86
Step by Step Solution
- Step 1: Write the proportion equation
313,283.05 : 432,294.66 = 175,442.75 : x - Step 2: Convert to fraction form
313,283.05/432,294.66 = 175,442.75/x - Step 3: Cross multiply
313,283.05x = 432,294.66 × 175,442.75 - Step 4: Simplify right side
313,283.05x = 75,842,963,960.72 - Step 5: Solve for x
x = 75,842,963,960.72/313,283.05 - Step 6: Final answer
x = 242,090.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.