Finding the Fourth Proportional to 153,180.08, 211,386.48 and 86,112.08
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Solution
The fourth proportional to 153,180.08, 211,386.48 and 86,112.08 is: 118,833.53
Step by Step Solution
- Step 1: Write the proportion equation
153,180.08 : 211,386.48 = 86,112.08 : x - Step 2: Convert to fraction form
153,180.08/211,386.48 = 86,112.08/x - Step 3: Cross multiply
153,180.08x = 211,386.48 × 86,112.08 - Step 4: Simplify right side
153,180.08x = 18,202,929,476.68 - Step 5: Solve for x
x = 18,202,929,476.68/153,180.08 - Step 6: Final answer
x = 118,833.53
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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.