Finding the Fourth Proportional to 118,238.68, 177,387.18 and 35,132.68
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Solution
The fourth proportional to 118,238.68, 177,387.18 and 35,132.68 is: 52,707.68
Step by Step Solution
- Step 1: Write the proportion equation
118,238.68 : 177,387.18 = 35,132.68 : x - Step 2: Convert to fraction form
118,238.68/177,387.18 = 35,132.68/x - Step 3: Cross multiply
118,238.68x = 177,387.18 × 35,132.68 - Step 4: Simplify right side
118,238.68x = 6,232,087,031.04 - Step 5: Solve for x
x = 6,232,087,031.04/118,238.68 - Step 6: Final answer
x = 52,707.68
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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.