Finding the Fourth Proportional to 292,863.99, 438,794.50 and 159,837.59
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Solution
The fourth proportional to 292,863.99, 438,794.50 and 159,837.59 is: 239,482.69
Step by Step Solution
- Step 1: Write the proportion equation
292,863.99 : 438,794.50 = 159,837.59 : x - Step 2: Convert to fraction form
292,863.99/438,794.50 = 159,837.59/x - Step 3: Cross multiply
292,863.99x = 438,794.50 × 159,837.59 - Step 4: Simplify right side
292,863.99x = 70,135,855,385.26 - Step 5: Solve for x
x = 70,135,855,385.26/292,863.99 - Step 6: Final answer
x = 239,482.69
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1.5x scale
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.