Finding the Fourth Proportional to 286,810.62, 395,798.99 and 159,483.48
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Solution
The fourth proportional to 286,810.62, 395,798.99 and 159,483.48 is: 220,087.39
Step by Step Solution
- Step 1: Write the proportion equation
286,810.62 : 395,798.99 = 159,483.48 : x - Step 2: Convert to fraction form
286,810.62/395,798.99 = 159,483.48/x - Step 3: Cross multiply
286,810.62x = 395,798.99 × 159,483.48 - Step 4: Simplify right side
286,810.62x = 63,123,400,305.69 - Step 5: Solve for x
x = 63,123,400,305.69/286,810.62 - Step 6: Final answer
x = 220,087.39
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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.