Finding the Fourth Proportional to 377,104.15, 565,507.99 and 137,161.09
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Solution
The fourth proportional to 377,104.15, 565,507.99 and 137,161.09 is: 205,687.72
Step by Step Solution
- Step 1: Write the proportion equation
377,104.15 : 565,507.99 = 137,161.09 : x - Step 2: Convert to fraction form
377,104.15/565,507.99 = 137,161.09/x - Step 3: Cross multiply
377,104.15x = 565,507.99 × 137,161.09 - Step 4: Simplify right side
377,104.15x = 77,565,692,312.11 - Step 5: Solve for x
x = 77,565,692,312.11/377,104.15 - Step 6: Final answer
x = 205,687.72
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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.