Finding the Fourth Proportional to 307,043.40, 423,702.99 and 169,195.18
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Solution
The fourth proportional to 307,043.40, 423,702.99 and 169,195.18 is: 233,480.03
Step by Step Solution
- Step 1: Write the proportion equation
307,043.40 : 423,702.99 = 169,195.18 : x - Step 2: Convert to fraction form
307,043.40/423,702.99 = 169,195.18/x - Step 3: Cross multiply
307,043.40x = 423,702.99 × 169,195.18 - Step 4: Simplify right side
307,043.40x = 71,688,503,659.59 - Step 5: Solve for x
x = 71,688,503,659.59/307,043.40 - Step 6: Final answer
x = 233,480.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.