Finding the Fourth Proportional to 133,270.44, 183,883.14 and 79,564.20
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Solution
The fourth proportional to 133,270.44, 183,883.14 and 79,564.20 is: 109,780.65
Step by Step Solution
- Step 1: Write the proportion equation
133,270.44 : 183,883.14 = 79,564.20 : x - Step 2: Convert to fraction form
133,270.44/183,883.14 = 79,564.20/x - Step 3: Cross multiply
133,270.44x = 183,883.14 × 79,564.20 - Step 4: Simplify right side
133,270.44x = 14,630,514,927.59 - Step 5: Solve for x
x = 14,630,514,927.59/133,270.44 - Step 6: Final answer
x = 109,780.65
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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.