Finding the Fourth Proportional to 266,227.80, 399,451.05 and 97,828.80
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Solution
The fourth proportional to 266,227.80, 399,451.05 and 97,828.80 is: 146,783.38
Step by Step Solution
- Step 1: Write the proportion equation
266,227.80 : 399,451.05 = 97,828.80 : x - Step 2: Convert to fraction form
266,227.80/399,451.05 = 97,828.80/x - Step 3: Cross multiply
266,227.80x = 399,451.05 × 97,828.80 - Step 4: Simplify right side
266,227.80x = 39,077,816,880.24 - Step 5: Solve for x
x = 39,077,816,880.24/266,227.80 - Step 6: Final answer
x = 146,783.38
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1.5x scale
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.