Finding the Fourth Proportional to 286,629.24, 395,545.50 and 159,302.10
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Solution
The fourth proportional to 286,629.24, 395,545.50 and 159,302.10 is: 219,835.31
Step by Step Solution
- Step 1: Write the proportion equation
286,629.24 : 395,545.50 = 159,302.10 : x - Step 2: Convert to fraction form
286,629.24/395,545.50 = 159,302.10/x - Step 3: Cross multiply
286,629.24x = 395,545.50 × 159,302.10 - Step 4: Simplify right side
286,629.24x = 63,011,228,795.55 - Step 5: Solve for x
x = 63,011,228,795.55/286,629.24 - Step 6: Final answer
x = 219,835.31
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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.