Finding the Fourth Proportional to 292,438.80, 403,561.80 and 158,302.80
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Solution
The fourth proportional to 292,438.80, 403,561.80 and 158,302.80 is: 218,455.84
Step by Step Solution
- Step 1: Write the proportion equation
292,438.80 : 403,561.80 = 158,302.80 : x - Step 2: Convert to fraction form
292,438.80/403,561.80 = 158,302.80/x - Step 3: Cross multiply
292,438.80x = 403,561.80 × 158,302.80 - Step 4: Simplify right side
292,438.80x = 63,884,962,913.04 - Step 5: Solve for x
x = 63,884,962,913.04/292,438.80 - Step 6: Final answer
x = 218,455.84
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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.