Finding the Fourth Proportional to 216,830.10, 299,220.80 and 118,713.14
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Solution
The fourth proportional to 216,830.10, 299,220.80 and 118,713.14 is: 163,821.53
Step by Step Solution
- Step 1: Write the proportion equation
216,830.10 : 299,220.80 = 118,713.14 : x - Step 2: Convert to fraction form
216,830.10/299,220.80 = 118,713.14/x - Step 3: Cross multiply
216,830.10x = 299,220.80 × 118,713.14 - Step 4: Simplify right side
216,830.10x = 35,521,439,192.68 - Step 5: Solve for x
x = 35,521,439,192.68/216,830.10 - Step 6: Final answer
x = 163,821.53
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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.