Finding the Fourth Proportional to 162,910.04, 224,813.68 and 91,291.46
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Solution
The fourth proportional to 162,910.04, 224,813.68 and 91,291.46 is: 125,980.99
Step by Step Solution
- Step 1: Write the proportion equation
162,910.04 : 224,813.68 = 91,291.46 : x - Step 2: Convert to fraction form
162,910.04/224,813.68 = 91,291.46/x - Step 3: Cross multiply
162,910.04x = 224,813.68 × 91,291.46 - Step 4: Simplify right side
162,910.04x = 20,523,567,722.88 - Step 5: Solve for x
x = 20,523,567,722.88/162,910.04 - Step 6: Final answer
x = 125,980.99
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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.