Finding the Fourth Proportional to 79,178.24, 109,266.00 and 43,368.85
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Solution
The fourth proportional to 79,178.24, 109,266.00 and 43,368.85 is: 59,849.02
Step by Step Solution
- Step 1: Write the proportion equation
79,178.24 : 109,266.00 = 43,368.85 : x - Step 2: Convert to fraction form
79,178.24/109,266.00 = 43,368.85/x - Step 3: Cross multiply
79,178.24x = 109,266.00 × 43,368.85 - Step 4: Simplify right side
79,178.24x = 4,738,740,000.93 - Step 5: Solve for x
x = 4,738,740,000.93/79,178.24 - Step 6: Final answer
x = 59,849.02
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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.