Finding the Fourth Proportional to 180,786.08, 249,195.44 and 142,482.14
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Solution
The fourth proportional to 180,786.08, 249,195.44 and 142,482.14 is: 196,397.31
Step by Step Solution
- Step 1: Write the proportion equation
180,786.08 : 249,195.44 = 142,482.14 : x - Step 2: Convert to fraction form
180,786.08/249,195.44 = 142,482.14/x - Step 3: Cross multiply
180,786.08x = 249,195.44 × 142,482.14 - Step 4: Simplify right side
180,786.08x = 35,505,898,812.69 - Step 5: Solve for x
x = 35,505,898,812.69/180,786.08 - Step 6: Final answer
x = 196,397.31
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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.