Finding the Fourth Proportional to 649,621.24, 974,421.12 and 194,213.53
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Solution
The fourth proportional to 649,621.24, 974,421.12 and 194,213.53 is: 291,317.08
Step by Step Solution
- Step 1: Write the proportion equation
649,621.24 : 974,421.12 = 194,213.53 : x - Step 2: Convert to fraction form
649,621.24/974,421.12 = 194,213.53/x - Step 3: Cross multiply
649,621.24x = 974,421.12 × 194,213.53 - Step 4: Simplify right side
649,621.24x = 189,245,762,985.70 - Step 5: Solve for x
x = 189,245,762,985.70/649,621.24 - Step 6: Final answer
x = 291,317.08
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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.