Finding the Fourth Proportional to 296,485.07, 409,148.80 and 160,518.99
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Solution
The fourth proportional to 296,485.07, 409,148.80 and 160,518.99 is: 221,515.89
Step by Step Solution
- Step 1: Write the proportion equation
296,485.07 : 409,148.80 = 160,518.99 : x - Step 2: Convert to fraction form
296,485.07/409,148.80 = 160,518.99/x - Step 3: Cross multiply
296,485.07x = 409,148.80 × 160,518.99 - Step 4: Simplify right side
296,485.07x = 65,676,151,870.18 - Step 5: Solve for x
x = 65,676,151,870.18/296,485.07 - Step 6: Final answer
x = 221,515.89
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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.