Finding the Fourth Proportional to 447,023.04, 616,740.82 and 253,409.99
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Solution
The fourth proportional to 447,023.04, 616,740.82 and 253,409.99 is: 349,620.20
Step by Step Solution
- Step 1: Write the proportion equation
447,023.04 : 616,740.82 = 253,409.99 : x - Step 2: Convert to fraction form
447,023.04/616,740.82 = 253,409.99/x - Step 3: Cross multiply
447,023.04x = 616,740.82 × 253,409.99 - Step 4: Simplify right side
447,023.04x = 156,288,281,311.56 - Step 5: Solve for x
x = 156,288,281,311.56/447,023.04 - Step 6: Final answer
x = 349,620.20
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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.