Finding the Fourth Proportional to 291,843.99, 402,750.87 and 164,519.55
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Solution
The fourth proportional to 291,843.99, 402,750.87 and 164,519.55 is: 227,040.45
Step by Step Solution
- Step 1: Write the proportion equation
291,843.99 : 402,750.87 = 164,519.55 : x - Step 2: Convert to fraction form
291,843.99/402,750.87 = 164,519.55/x - Step 3: Cross multiply
291,843.99x = 402,750.87 × 164,519.55 - Step 4: Simplify right side
291,843.99x = 66,260,391,894.51 - Step 5: Solve for x
x = 66,260,391,894.51/291,843.99 - Step 6: Final answer
x = 227,040.45
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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.