Finding the Fourth Proportional to 176,488.12, 264,472.98 and 139,139.56
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Solution
The fourth proportional to 176,488.12, 264,472.98 and 139,139.56 is: 208,504.99
Step by Step Solution
- Step 1: Write the proportion equation
176,488.12 : 264,472.98 = 139,139.56 : x - Step 2: Convert to fraction form
176,488.12/264,472.98 = 139,139.56/x - Step 3: Cross multiply
176,488.12x = 264,472.98 × 139,139.56 - Step 4: Simplify right side
176,488.12x = 36,798,654,069.09 - Step 5: Solve for x
x = 36,798,654,069.09/176,488.12 - Step 6: Final answer
x = 208,504.99
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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.