Finding the Fourth Proportional to 540,313.84, 810,470.76 and 203,430.08
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Solution
The fourth proportional to 540,313.84, 810,470.76 and 203,430.08 is: 305,145.12
Step by Step Solution
- Step 1: Write the proportion equation
540,313.84 : 810,470.76 = 203,430.08 : x - Step 2: Convert to fraction form
540,313.84/810,470.76 = 203,430.08/x - Step 3: Cross multiply
540,313.84x = 810,470.76 × 203,430.08 - Step 4: Simplify right side
540,313.84x = 164,874,133,952.07 - Step 5: Solve for x
x = 164,874,133,952.07/540,313.84 - Step 6: Final answer
x = 305,145.12
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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.