Finding the Fourth Proportional to 129,024.04, 193,536.74 and 40,270.11
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Solution
The fourth proportional to 129,024.04, 193,536.74 and 40,270.11 is: 60,405.38
Step by Step Solution
- Step 1: Write the proportion equation
129,024.04 : 193,536.74 = 40,270.11 : x - Step 2: Convert to fraction form
129,024.04/193,536.74 = 40,270.11/x - Step 3: Cross multiply
129,024.04x = 193,536.74 × 40,270.11 - Step 4: Simplify right side
129,024.04x = 7,793,746,272.40 - Step 5: Solve for x
x = 7,793,746,272.40/129,024.04 - Step 6: Final answer
x = 60,405.38
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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.