Finding the Fourth Proportional to 572,509.58, 858,763.65 and 217,438.70
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Solution
The fourth proportional to 572,509.58, 858,763.65 and 217,438.70 is: 326,157.78
Step by Step Solution
- Step 1: Write the proportion equation
572,509.58 : 858,763.65 = 217,438.70 : x - Step 2: Convert to fraction form
572,509.58/858,763.65 = 217,438.70/x - Step 3: Cross multiply
572,509.58x = 858,763.65 × 217,438.70 - Step 4: Simplify right side
572,509.58x = 186,728,451,663.26 - Step 5: Solve for x
x = 186,728,451,663.26/572,509.58 - Step 6: Final answer
x = 326,157.78
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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.