Finding the Fourth Proportional to 201,848.80, 302,773.20 and 138,863.20
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Solution
The fourth proportional to 201,848.80, 302,773.20 and 138,863.20 is: 208,294.80
Step by Step Solution
- Step 1: Write the proportion equation
201,848.80 : 302,773.20 = 138,863.20 : x - Step 2: Convert to fraction form
201,848.80/302,773.20 = 138,863.20/x - Step 3: Cross multiply
201,848.80x = 302,773.20 × 138,863.20 - Step 4: Simplify right side
201,848.80x = 42,044,055,426.24 - Step 5: Solve for x
x = 42,044,055,426.24/201,848.80 - Step 6: Final answer
x = 208,294.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.