Finding the Fourth Proportional to 637,736.21, 956,739.24 and 211,247.87
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Solution
The fourth proportional to 637,736.21, 956,739.24 and 211,247.87 is: 316,916.50
Step by Step Solution
- Step 1: Write the proportion equation
637,736.21 : 956,739.24 = 211,247.87 : x - Step 2: Convert to fraction form
637,736.21/956,739.24 = 211,247.87/x - Step 3: Cross multiply
637,736.21x = 956,739.24 × 211,247.87 - Step 4: Simplify right side
637,736.21x = 202,109,126,595.42 - Step 5: Solve for x
x = 202,109,126,595.42/637,736.21 - Step 6: Final answer
x = 316,916.50
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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.