Finding the Fourth Proportional to 207,774.99, 286,729.61 and 112,281.53
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Solution
The fourth proportional to 207,774.99, 286,729.61 and 112,281.53 is: 154,948.57
Step by Step Solution
- Step 1: Write the proportion equation
207,774.99 : 286,729.61 = 112,281.53 : x - Step 2: Convert to fraction form
207,774.99/286,729.61 = 112,281.53/x - Step 3: Cross multiply
207,774.99x = 286,729.61 × 112,281.53 - Step 4: Simplify right side
207,774.99x = 32,194,437,312.05 - Step 5: Solve for x
x = 32,194,437,312.05/207,774.99 - Step 6: Final answer
x = 154,948.57
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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.