Finding the Fourth Proportional to 110,133.70, 151,979.60 and 62,386.08
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Solution
The fourth proportional to 110,133.70, 151,979.60 and 62,386.08 is: 86,090.01
Step by Step Solution
- Step 1: Write the proportion equation
110,133.70 : 151,979.60 = 62,386.08 : x - Step 2: Convert to fraction form
110,133.70/151,979.60 = 62,386.08/x - Step 3: Cross multiply
110,133.70x = 151,979.60 × 62,386.08 - Step 4: Simplify right side
110,133.70x = 9,481,411,483.97 - Step 5: Solve for x
x = 9,481,411,483.97/110,133.70 - Step 6: Final answer
x = 86,090.01
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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.