Finding the Fourth Proportional to 296,281.99, 408,868.02 and 160,316.20
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Solution
The fourth proportional to 296,281.99, 408,868.02 and 160,316.20 is: 221,235.75
Step by Step Solution
- Step 1: Write the proportion equation
296,281.99 : 408,868.02 = 160,316.20 : x - Step 2: Convert to fraction form
296,281.99/408,868.02 = 160,316.20/x - Step 3: Cross multiply
296,281.99x = 408,868.02 × 160,316.20 - Step 4: Simplify right side
296,281.99x = 65,548,167,267.92 - Step 5: Solve for x
x = 65,548,167,267.92/296,281.99 - Step 6: Final answer
x = 221,235.75
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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.