Finding the Fourth Proportional to 286,889.99, 395,900.23 and 157,827.83
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Solution
The fourth proportional to 286,889.99, 395,900.23 and 157,827.83 is: 217,798.03
Step by Step Solution
- Step 1: Write the proportion equation
286,889.99 : 395,900.23 = 157,827.83 : x - Step 2: Convert to fraction form
286,889.99/395,900.23 = 157,827.83/x - Step 3: Cross multiply
286,889.99x = 395,900.23 × 157,827.83 - Step 4: Simplify right side
286,889.99x = 62,484,073,408.26 - Step 5: Solve for x
x = 62,484,073,408.26/286,889.99 - Step 6: Final answer
x = 217,798.03
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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.