Finding the Fourth Proportional to 306,710.35, 459,993.99 and 117,101.09
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Solution
The fourth proportional to 306,710.35, 459,993.99 and 117,101.09 is: 175,624.33
Step by Step Solution
- Step 1: Write the proportion equation
306,710.35 : 459,993.99 = 117,101.09 : x - Step 2: Convert to fraction form
306,710.35/459,993.99 = 117,101.09/x - Step 3: Cross multiply
306,710.35x = 459,993.99 × 117,101.09 - Step 4: Simplify right side
306,710.35x = 53,865,798,552.87 - Step 5: Solve for x
x = 53,865,798,552.87/306,710.35 - Step 6: Final answer
x = 175,624.33
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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.