Finding the Fourth Proportional to 219,220.75, 302,524.64 and 118,618.75
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Solution
The fourth proportional to 219,220.75, 302,524.64 and 118,618.75 is: 163,693.88
Step by Step Solution
- Step 1: Write the proportion equation
219,220.75 : 302,524.64 = 118,618.75 : x - Step 2: Convert to fraction form
219,220.75/302,524.64 = 118,618.75/x - Step 3: Cross multiply
219,220.75x = 302,524.64 × 118,618.75 - Step 4: Simplify right side
219,220.75x = 35,885,094,641 - Step 5: Solve for x
x = 35,885,094,641/219,220.75 - Step 6: Final answer
x = 163,693.88
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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.