Finding the Fourth Proportional to 377,157.07, 565,557.99 and 137,102.15
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Solution
The fourth proportional to 377,157.07, 565,557.99 and 137,102.15 is: 205,588.66
Step by Step Solution
- Step 1: Write the proportion equation
377,157.07 : 565,557.99 = 137,102.15 : x - Step 2: Convert to fraction form
377,157.07/565,557.99 = 137,102.15/x - Step 3: Cross multiply
377,157.07x = 565,557.99 × 137,102.15 - Step 4: Simplify right side
377,157.07x = 77,539,216,378.68 - Step 5: Solve for x
x = 77,539,216,378.68/377,157.07 - Step 6: Final answer
x = 205,588.66
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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.