Finding the Fourth Proportional to 266,486.70, 399,672.45 and 116,726.70
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Solution
The fourth proportional to 266,486.70, 399,672.45 and 116,726.70 is: 175,064.82
Step by Step Solution
- Step 1: Write the proportion equation
266,486.70 : 399,672.45 = 116,726.70 : x - Step 2: Convert to fraction form
266,486.70/399,672.45 = 116,726.70/x - Step 3: Cross multiply
266,486.70x = 399,672.45 × 116,726.70 - Step 4: Simplify right side
266,486.70x = 46,652,446,169.42 - Step 5: Solve for x
x = 46,652,446,169.42/266,486.70 - Step 6: Final answer
x = 175,064.82
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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.