Finding the Fourth Proportional to 557,707.87, 836,412.36 and 242,089.75
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Solution
The fourth proportional to 557,707.87, 836,412.36 and 242,089.75 is: 363,069.75
Step by Step Solution
- Step 1: Write the proportion equation
557,707.87 : 836,412.36 = 242,089.75 : x - Step 2: Convert to fraction form
557,707.87/836,412.36 = 242,089.75/x - Step 3: Cross multiply
557,707.87x = 836,412.36 × 242,089.75 - Step 4: Simplify right side
557,707.87x = 202,486,859,129.31 - Step 5: Solve for x
x = 202,486,859,129.31/557,707.87 - Step 6: Final answer
x = 363,069.75
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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.