Finding the Fourth Proportional to 133,548.99, 184,306.50 and 76,964.01
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Solution
The fourth proportional to 133,548.99, 184,306.50 and 76,964.01 is: 106,215.46
Step by Step Solution
- Step 1: Write the proportion equation
133,548.99 : 184,306.50 = 76,964.01 : x - Step 2: Convert to fraction form
133,548.99/184,306.50 = 76,964.01/x - Step 3: Cross multiply
133,548.99x = 184,306.50 × 76,964.01 - Step 4: Simplify right side
133,548.99x = 14,184,967,309.07 - Step 5: Solve for x
x = 14,184,967,309.07/133,548.99 - Step 6: Final answer
x = 106,215.46
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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.