Finding the Fourth Proportional to 447,420.94, 617,441.00 and 246,216.94
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Solution
The fourth proportional to 447,420.94, 617,441.00 and 246,216.94 is: 339,779.43
Step by Step Solution
- Step 1: Write the proportion equation
447,420.94 : 617,441.00 = 246,216.94 : x - Step 2: Convert to fraction form
447,420.94/617,441.00 = 246,216.94/x - Step 3: Cross multiply
447,420.94x = 617,441.00 × 246,216.94 - Step 4: Simplify right side
447,420.94x = 152,024,430,875.85 - Step 5: Solve for x
x = 152,024,430,875.85/447,420.94 - Step 6: Final answer
x = 339,779.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.