Finding the Fourth Proportional to 219,327.75, 302,672.30 and 118,725.75
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Solution
The fourth proportional to 219,327.75, 302,672.30 and 118,725.75 is: 163,841.54
Step by Step Solution
- Step 1: Write the proportion equation
219,327.75 : 302,672.30 = 118,725.75 : x - Step 2: Convert to fraction form
219,327.75/302,672.30 = 118,725.75/x - Step 3: Cross multiply
219,327.75x = 302,672.30 × 118,725.75 - Step 4: Simplify right side
219,327.75x = 35,934,995,228.10 - Step 5: Solve for x
x = 35,934,995,228.10/219,327.75 - Step 6: Final answer
x = 163,841.54
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1.5x scale
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.