Finding the Fourth Proportional to 557,750.10, 769,693.02 and 316,078.68
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Solution
The fourth proportional to 557,750.10, 769,693.02 and 316,078.68 is: 436,187.38
Step by Step Solution
- Step 1: Write the proportion equation
557,750.10 : 769,693.02 = 316,078.68 : x - Step 2: Convert to fraction form
557,750.10/769,693.02 = 316,078.68/x - Step 3: Cross multiply
557,750.10x = 769,693.02 × 316,078.68 - Step 4: Simplify right side
557,750.10x = 243,283,553,766.81 - Step 5: Solve for x
x = 243,283,553,766.81/557,750.10 - Step 6: Final answer
x = 436,187.38
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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.