Finding the Fourth Proportional to 155,464.09, 214,569.82 and 97,347.81
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Solution
The fourth proportional to 155,464.09, 214,569.82 and 97,347.81 is: 134,358.37
Step by Step Solution
- Step 1: Write the proportion equation
155,464.09 : 214,569.82 = 97,347.81 : x - Step 2: Convert to fraction form
155,464.09/214,569.82 = 97,347.81/x - Step 3: Cross multiply
155,464.09x = 214,569.82 × 97,347.81 - Step 4: Simplify right side
155,464.09x = 20,887,902,214.54 - Step 5: Solve for x
x = 20,887,902,214.54/155,464.09 - Step 6: Final answer
x = 134,358.37
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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.