Finding the Fourth Proportional to 513,005.99, 769,591.67 and 158,019.66
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Solution
The fourth proportional to 513,005.99, 769,591.67 and 158,019.66 is: 237,054.96
Step by Step Solution
- Step 1: Write the proportion equation
513,005.99 : 769,591.67 = 158,019.66 : x - Step 2: Convert to fraction form
513,005.99/769,591.67 = 158,019.66/x - Step 3: Cross multiply
513,005.99x = 769,591.67 × 158,019.66 - Step 4: Simplify right side
513,005.99x = 121,610,613,242.13 - Step 5: Solve for x
x = 121,610,613,242.13/513,005.99 - Step 6: Final answer
x = 237,054.96
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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.