Finding the Fourth Proportional to 266,208.39, 399,313.61 and 66,528.99
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Solution
The fourth proportional to 266,208.39, 399,313.61 and 66,528.99 is: 99,793.74
Step by Step Solution
- Step 1: Write the proportion equation
266,208.39 : 399,313.61 = 66,528.99 : x - Step 2: Convert to fraction form
266,208.39/399,313.61 = 66,528.99/x - Step 3: Cross multiply
266,208.39x = 399,313.61 × 66,528.99 - Step 4: Simplify right side
266,208.39x = 26,565,931,332.88 - Step 5: Solve for x
x = 26,565,931,332.88/266,208.39 - Step 6: Final answer
x = 99,793.74
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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.