Finding the Fourth Proportional to 235,476.14, 353,927.88 and 155,785.95
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Solution
The fourth proportional to 235,476.14, 353,927.88 and 155,785.95 is: 234,151.08
Step by Step Solution
- Step 1: Write the proportion equation
235,476.14 : 353,927.88 = 155,785.95 : x - Step 2: Convert to fraction form
235,476.14/353,927.88 = 155,785.95/x - Step 3: Cross multiply
235,476.14x = 353,927.88 × 155,785.95 - Step 4: Simplify right side
235,476.14x = 55,136,991,017.29 - Step 5: Solve for x
x = 55,136,991,017.29/235,476.14 - Step 6: Final answer
x = 234,151.08
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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.