Finding the Fourth Proportional to 265,811.67, 366,828.93 and 144,959.55
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Solution
The fourth proportional to 265,811.67, 366,828.93 and 144,959.55 is: 200,048.99
Step by Step Solution
- Step 1: Write the proportion equation
265,811.67 : 366,828.93 = 144,959.55 : x - Step 2: Convert to fraction form
265,811.67/366,828.93 = 144,959.55/x - Step 3: Cross multiply
265,811.67x = 366,828.93 × 144,959.55 - Step 4: Simplify right side
265,811.67x = 53,175,356,619.78 - Step 5: Solve for x
x = 53,175,356,619.78/265,811.67 - Step 6: Final answer
x = 200,048.99
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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.