Finding the Fourth Proportional to 116,306.13, 174,459.21 and 76,854.04
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Solution
The fourth proportional to 116,306.13, 174,459.21 and 76,854.04 is: 115,281.07
Step by Step Solution
- Step 1: Write the proportion equation
116,306.13 : 174,459.21 = 76,854.04 : x - Step 2: Convert to fraction form
116,306.13/174,459.21 = 76,854.04/x - Step 3: Cross multiply
116,306.13x = 174,459.21 × 76,854.04 - Step 4: Simplify right side
116,306.13x = 13,407,895,103.71 - Step 5: Solve for x
x = 13,407,895,103.71/116,306.13 - Step 6: Final answer
x = 115,281.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.