Finding the Fourth Proportional to 369,043.48, 509,277.72 and 207,950.44
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Solution
The fourth proportional to 369,043.48, 509,277.72 and 207,950.44 is: 286,970.32
Step by Step Solution
- Step 1: Write the proportion equation
369,043.48 : 509,277.72 = 207,950.44 : x - Step 2: Convert to fraction form
369,043.48/509,277.72 = 207,950.44/x - Step 3: Cross multiply
369,043.48x = 509,277.72 × 207,950.44 - Step 4: Simplify right side
369,043.48x = 105,904,525,956.20 - Step 5: Solve for x
x = 105,904,525,956.20/369,043.48 - Step 6: Final answer
x = 286,970.32
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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.