Finding the Fourth Proportional to 176,530.88, 243,617.28 and 101,103.68
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Solution
The fourth proportional to 176,530.88, 243,617.28 and 101,103.68 is: 139,525.75
Step by Step Solution
- Step 1: Write the proportion equation
176,530.88 : 243,617.28 = 101,103.68 : x - Step 2: Convert to fraction form
176,530.88/243,617.28 = 101,103.68/x - Step 3: Cross multiply
176,530.88x = 243,617.28 × 101,103.68 - Step 4: Simplify right side
176,530.88x = 24,630,603,519.59 - Step 5: Solve for x
x = 24,630,603,519.59/176,530.88 - Step 6: Final answer
x = 139,525.75
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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.