Finding the Fourth Proportional to 557,097.88, 768,812.74 and 315,376.08
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Solution
The fourth proportional to 557,097.88, 768,812.74 and 315,376.08 is: 435,228.99
Step by Step Solution
- Step 1: Write the proportion equation
557,097.88 : 768,812.74 = 315,376.08 : x - Step 2: Convert to fraction form
557,097.88/768,812.74 = 315,376.08/x - Step 3: Cross multiply
557,097.88x = 768,812.74 × 315,376.08 - Step 4: Simplify right side
557,097.88x = 242,465,148,195.26 - Step 5: Solve for x
x = 242,465,148,195.26/557,097.88 - Step 6: Final answer
x = 435,228.99
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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.