Finding the Fourth Proportional to 578,143.98, 866,717.62 and 223,406.91
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Solution
The fourth proportional to 578,143.98, 866,717.62 and 223,406.91 is: 334,917.79
Step by Step Solution
- Step 1: Write the proportion equation
578,143.98 : 866,717.62 = 223,406.91 : x - Step 2: Convert to fraction form
578,143.98/866,717.62 = 223,406.91/x - Step 3: Cross multiply
578,143.98x = 866,717.62 × 223,406.91 - Step 4: Simplify right side
578,143.98x = 193,630,704,768.24 - Step 5: Solve for x
x = 193,630,704,768.24/578,143.98 - Step 6: Final answer
x = 334,917.79
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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.