Finding the Fourth Proportional to 371,403.74, 557,039.72 and 168,952.70
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Solution
The fourth proportional to 371,403.74, 557,039.72 and 168,952.70 is: 253,399.08
Step by Step Solution
- Step 1: Write the proportion equation
371,403.74 : 557,039.72 = 168,952.70 : x - Step 2: Convert to fraction form
371,403.74/557,039.72 = 168,952.70/x - Step 3: Cross multiply
371,403.74x = 557,039.72 × 168,952.70 - Step 4: Simplify right side
371,403.74x = 94,113,364,701.24 - Step 5: Solve for x
x = 94,113,364,701.24/371,403.74 - Step 6: Final answer
x = 253,399.08
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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.