Finding the Fourth Proportional to 148,316.30, 204,162.27 and 129,420.62
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Solution
The fourth proportional to 148,316.30, 204,162.27 and 129,420.62 is: 178,151.74
Step by Step Solution
- Step 1: Write the proportion equation
148,316.30 : 204,162.27 = 129,420.62 : x - Step 2: Convert to fraction form
148,316.30/204,162.27 = 129,420.62/x - Step 3: Cross multiply
148,316.30x = 204,162.27 × 129,420.62 - Step 4: Simplify right side
148,316.30x = 26,422,807,564.01 - Step 5: Solve for x
x = 26,422,807,564.01/148,316.30 - Step 6: Final answer
x = 178,151.74
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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.