Finding the Fourth Proportional to 253,652.51, 349,243.77 and 215,332.63
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Solution
The fourth proportional to 253,652.51, 349,243.77 and 215,332.63 is: 296,482.69
Step by Step Solution
- Step 1: Write the proportion equation
253,652.51 : 349,243.77 = 215,332.63 : x - Step 2: Convert to fraction form
253,652.51/349,243.77 = 215,332.63/x - Step 3: Cross multiply
253,652.51x = 349,243.77 × 215,332.63 - Step 4: Simplify right side
253,652.51x = 75,203,579,505.22 - Step 5: Solve for x
x = 75,203,579,505.22/253,652.51 - Step 6: Final answer
x = 296,482.69
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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.