Finding the Fourth Proportional to 296,320.99, 408,922.95 and 160,354.93
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Solution
The fourth proportional to 296,320.99, 408,922.95 and 160,354.93 is: 221,289.80
Step by Step Solution
- Step 1: Write the proportion equation
296,320.99 : 408,922.95 = 160,354.93 : x - Step 2: Convert to fraction form
296,320.99/408,922.95 = 160,354.93/x - Step 3: Cross multiply
296,320.99x = 408,922.95 × 160,354.93 - Step 4: Simplify right side
296,320.99x = 65,572,810,220.87 - Step 5: Solve for x
x = 65,572,810,220.87/296,320.99 - Step 6: Final answer
x = 221,289.80
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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.