Finding the Fourth Proportional to 266,024.30, 399,295.65 and 133,054.70
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Solution
The fourth proportional to 266,024.30, 399,295.65 and 133,054.70 is: 199,711.69
Step by Step Solution
- Step 1: Write the proportion equation
266,024.30 : 399,295.65 = 133,054.70 : x - Step 2: Convert to fraction form
266,024.30/399,295.65 = 133,054.70/x - Step 3: Cross multiply
266,024.30x = 399,295.65 × 133,054.70 - Step 4: Simplify right side
266,024.30x = 53,128,162,922.06 - Step 5: Solve for x
x = 53,128,162,922.06/266,024.30 - Step 6: Final answer
x = 199,711.69
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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.