Finding the Fourth Proportional to 369,047.80, 509,283.61 and 207,954.71
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Solution
The fourth proportional to 369,047.80, 509,283.61 and 207,954.71 is: 286,976.17
Step by Step Solution
- Step 1: Write the proportion equation
369,047.80 : 509,283.61 = 207,954.71 : x - Step 2: Convert to fraction form
369,047.80/509,283.61 = 207,954.71/x - Step 3: Cross multiply
369,047.80x = 509,283.61 × 207,954.71 - Step 4: Simplify right side
369,047.80x = 105,907,925,425.30 - Step 5: Solve for x
x = 105,907,925,425.30/369,047.80 - Step 6: Final answer
x = 286,976.17
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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.