Finding the Fourth Proportional to 447,580.76, 617,661.56 and 246,376.76
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Solution
The fourth proportional to 447,580.76, 617,661.56 and 246,376.76 is: 339,999.99
Step by Step Solution
- Step 1: Write the proportion equation
447,580.76 : 617,661.56 = 246,376.76 : x - Step 2: Convert to fraction form
447,580.76/617,661.56 = 246,376.76/x - Step 3: Cross multiply
447,580.76x = 617,661.56 × 246,376.76 - Step 4: Simplify right side
447,580.76x = 152,177,453,929.35 - Step 5: Solve for x
x = 152,177,453,929.35/447,580.76 - Step 6: Final answer
x = 339,999.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.