Finding the Fourth Proportional to 266,195.70, 399,487.95 and 187,463.70
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Solution
The fourth proportional to 266,195.70, 399,487.95 and 187,463.70 is: 281,332.45
Step by Step Solution
- Step 1: Write the proportion equation
266,195.70 : 399,487.95 = 187,463.70 : x - Step 2: Convert to fraction form
266,195.70/399,487.95 = 187,463.70/x - Step 3: Cross multiply
266,195.70x = 399,487.95 × 187,463.70 - Step 4: Simplify right side
266,195.70x = 74,889,489,212.42 - Step 5: Solve for x
x = 74,889,489,212.42/266,195.70 - Step 6: Final answer
x = 281,332.45
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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.