Finding the Fourth Proportional to 133,089.72, 199,666.35 and 44,343.99
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Solution
The fourth proportional to 133,089.72, 199,666.35 and 44,343.99 is: 66,526.57
Step by Step Solution
- Step 1: Write the proportion equation
133,089.72 : 199,666.35 = 44,343.99 : x - Step 2: Convert to fraction form
133,089.72/199,666.35 = 44,343.99/x - Step 3: Cross multiply
133,089.72x = 199,666.35 × 44,343.99 - Step 4: Simplify right side
133,089.72x = 8,854,002,627.74 - Step 5: Solve for x
x = 8,854,002,627.74/133,089.72 - Step 6: Final answer
x = 66,526.57
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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.