Finding the Fourth Proportional to 276,848.99, 415,048.40 and 116,821.64
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Solution
The fourth proportional to 276,848.99, 415,048.40 and 116,821.64 is: 175,137.49
Step by Step Solution
- Step 1: Write the proportion equation
276,848.99 : 415,048.40 = 116,821.64 : x - Step 2: Convert to fraction form
276,848.99/415,048.40 = 116,821.64/x - Step 3: Cross multiply
276,848.99x = 415,048.40 × 116,821.64 - Step 4: Simplify right side
276,848.99x = 48,486,636,316.09 - Step 5: Solve for x
x = 48,486,636,316.09/276,848.99 - Step 6: Final answer
x = 175,137.49
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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.