Finding the Fourth Proportional to 338,386.13, 466,972.79 and 202,425.81
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Solution
The fourth proportional to 338,386.13, 466,972.79 and 202,425.81 is: 279,347.58
Step by Step Solution
- Step 1: Write the proportion equation
338,386.13 : 466,972.79 = 202,425.81 : x - Step 2: Convert to fraction form
338,386.13/466,972.79 = 202,425.81/x - Step 3: Cross multiply
338,386.13x = 466,972.79 × 202,425.81 - Step 4: Simplify right side
338,386.13x = 94,527,345,263.71 - Step 5: Solve for x
x = 94,527,345,263.71/338,386.13 - Step 6: Final answer
x = 279,347.58
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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.