Finding the Fourth Proportional to 449,149.60, 672,946.80 and 291,296.80
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Solution
The fourth proportional to 449,149.60, 672,946.80 and 291,296.80 is: 436,440.89
Step by Step Solution
- Step 1: Write the proportion equation
449,149.60 : 672,946.80 = 291,296.80 : x - Step 2: Convert to fraction form
449,149.60/672,946.80 = 291,296.80/x - Step 3: Cross multiply
449,149.60x = 672,946.80 × 291,296.80 - Step 4: Simplify right side
449,149.60x = 196,027,249,410.24 - Step 5: Solve for x
x = 196,027,249,410.24/449,149.60 - Step 6: Final answer
x = 436,440.89
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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.