Finding the Fourth Proportional to 268,830.99, 403,315.66 and 79,283.70
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Solution
The fourth proportional to 268,830.99, 403,315.66 and 79,283.70 is: 118,945.95
Step by Step Solution
- Step 1: Write the proportion equation
268,830.99 : 403,315.66 = 79,283.70 : x - Step 2: Convert to fraction form
268,830.99/403,315.66 = 79,283.70/x - Step 3: Cross multiply
268,830.99x = 403,315.66 × 79,283.70 - Step 4: Simplify right side
268,830.99x = 31,976,357,792.74 - Step 5: Solve for x
x = 31,976,357,792.74/268,830.99 - Step 6: Final answer
x = 118,945.95
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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.