Finding the Fourth Proportional to 314,315.71, 433,949.48 and 216,366.19
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Solution
The fourth proportional to 314,315.71, 433,949.48 and 216,366.19 is: 298,718.75
Step by Step Solution
- Step 1: Write the proportion equation
314,315.71 : 433,949.48 = 216,366.19 : x - Step 2: Convert to fraction form
314,315.71/433,949.48 = 216,366.19/x - Step 3: Cross multiply
314,315.71x = 433,949.48 × 216,366.19 - Step 4: Simplify right side
314,315.71x = 93,891,995,640.08 - Step 5: Solve for x
x = 93,891,995,640.08/314,315.71 - Step 6: Final answer
x = 298,718.75
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1.5x scale
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.