Finding the Fourth Proportional to 207,898.95, 286,900.97 and 112,405.65
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Solution
The fourth proportional to 207,898.95, 286,900.97 and 112,405.65 is: 155,120.02
Step by Step Solution
- Step 1: Write the proportion equation
207,898.95 : 286,900.97 = 112,405.65 : x - Step 2: Convert to fraction form
207,898.95/286,900.97 = 112,405.65/x - Step 3: Cross multiply
207,898.95x = 286,900.97 × 112,405.65 - Step 4: Simplify right side
207,898.95x = 32,249,289,456.45 - Step 5: Solve for x
x = 32,249,289,456.45/207,898.95 - Step 6: Final answer
x = 155,120.02
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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.