Finding the Fourth Proportional to 369,921.64, 554,549.21 and 133,097.71
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Solution
The fourth proportional to 369,921.64, 554,549.21 and 133,097.71 is: 199,526.66
Step by Step Solution
- Step 1: Write the proportion equation
369,921.64 : 554,549.21 = 133,097.71 : x - Step 2: Convert to fraction form
369,921.64/554,549.21 = 133,097.71/x - Step 3: Cross multiply
369,921.64x = 554,549.21 × 133,097.71 - Step 4: Simplify right side
369,921.64x = 73,809,229,933.31 - Step 5: Solve for x
x = 73,809,229,933.31/369,921.64 - Step 6: Final answer
x = 199,526.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.