Finding the Fourth Proportional to 266,048.70, 399,267.45 and 187,316.70
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Solution
The fourth proportional to 266,048.70, 399,267.45 and 187,316.70 is: 281,111.92
Step by Step Solution
- Step 1: Write the proportion equation
266,048.70 : 399,267.45 = 187,316.70 : x - Step 2: Convert to fraction form
266,048.70/399,267.45 = 187,316.70/x - Step 3: Cross multiply
266,048.70x = 399,267.45 × 187,316.70 - Step 4: Simplify right side
266,048.70x = 74,789,461,151.42 - Step 5: Solve for x
x = 74,789,461,151.42/266,048.70 - Step 6: Final answer
x = 281,111.92
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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.