Finding the Fourth Proportional to 352,670.80, 528,776.16 and 127,988.68
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Solution
The fourth proportional to 352,670.80, 528,776.16 and 127,988.68 is: 191,899.54
Step by Step Solution
- Step 1: Write the proportion equation
352,670.80 : 528,776.16 = 127,988.68 : x - Step 2: Convert to fraction form
352,670.80/528,776.16 = 127,988.68/x - Step 3: Cross multiply
352,670.80x = 528,776.16 × 127,988.68 - Step 4: Simplify right side
352,670.80x = 67,677,362,733.87 - Step 5: Solve for x
x = 67,677,362,733.87/352,670.80 - Step 6: Final answer
x = 191,899.54
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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.