Finding the Fourth Proportional to 176,603.68, 264,899.58 and 76,763.80
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Solution
The fourth proportional to 176,603.68, 264,899.58 and 76,763.80 is: 115,143.12
Step by Step Solution
- Step 1: Write the proportion equation
176,603.68 : 264,899.58 = 76,763.80 : x - Step 2: Convert to fraction form
176,603.68/264,899.58 = 76,763.80/x - Step 3: Cross multiply
176,603.68x = 264,899.58 × 76,763.80 - Step 4: Simplify right side
176,603.68x = 20,334,698,379.20 - Step 5: Solve for x
x = 20,334,698,379.20/176,603.68 - Step 6: Final answer
x = 115,143.12
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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.