Finding the Fourth Proportional to 117,698.17, 162,416.73 and 63,982.75
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Solution
The fourth proportional to 117,698.17, 162,416.73 and 63,982.75 is: 88,292.53
Step by Step Solution
- Step 1: Write the proportion equation
117,698.17 : 162,416.73 = 63,982.75 : x - Step 2: Convert to fraction form
117,698.17/162,416.73 = 63,982.75/x - Step 3: Cross multiply
117,698.17x = 162,416.73 × 63,982.75 - Step 4: Simplify right side
117,698.17x = 10,391,869,031.41 - Step 5: Solve for x
x = 10,391,869,031.41/117,698.17 - Step 6: Final answer
x = 88,292.53
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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.