Finding the Fourth Proportional to 572,509.08, 858,762.90 and 217,438.20
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Solution
The fourth proportional to 572,509.08, 858,762.90 and 217,438.20 is: 326,157.03
Step by Step Solution
- Step 1: Write the proportion equation
572,509.08 : 858,762.90 = 217,438.20 : x - Step 2: Convert to fraction form
572,509.08/858,762.90 = 217,438.20/x - Step 3: Cross multiply
572,509.08x = 858,762.90 × 217,438.20 - Step 4: Simplify right side
572,509.08x = 186,727,859,202.78 - Step 5: Solve for x
x = 186,727,859,202.78/572,509.08 - Step 6: Final answer
x = 326,157.03
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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.