Finding the Fourth Proportional to 148,154.11, 204,456.18 and 84,490.54
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Solution
The fourth proportional to 148,154.11, 204,456.18 and 84,490.54 is: 116,598.95
Step by Step Solution
- Step 1: Write the proportion equation
148,154.11 : 204,456.18 = 84,490.54 : x - Step 2: Convert to fraction form
148,154.11/204,456.18 = 84,490.54/x - Step 3: Cross multiply
148,154.11x = 204,456.18 × 84,490.54 - Step 4: Simplify right side
148,154.11x = 17,274,613,297.41 - Step 5: Solve for x
x = 17,274,613,297.41/148,154.11 - Step 6: Final answer
x = 116,598.95
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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.