Finding the Fourth Proportional to 407,202.96, 610,509.20 and 273,752.40
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Solution
The fourth proportional to 407,202.96, 610,509.20 and 273,752.40 is: 410,430.12
Step by Step Solution
- Step 1: Write the proportion equation
407,202.96 : 610,509.20 = 273,752.40 : x - Step 2: Convert to fraction form
407,202.96/610,509.20 = 273,752.40/x - Step 3: Cross multiply
407,202.96x = 610,509.20 × 273,752.40 - Step 4: Simplify right side
407,202.96x = 167,128,358,722.08 - Step 5: Solve for x
x = 167,128,358,722.08/407,202.96 - Step 6: Final answer
x = 410,430.12
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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.