Finding the Fourth Proportional to 368,803.80, 553,205.70 and 365,304.60
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Solution
The fourth proportional to 368,803.80, 553,205.70 and 365,304.60 is: 547,956.90
Step by Step Solution
- Step 1: Write the proportion equation
368,803.80 : 553,205.70 = 365,304.60 : x - Step 2: Convert to fraction form
368,803.80/553,205.70 = 365,304.60/x - Step 3: Cross multiply
368,803.80x = 553,205.70 × 365,304.60 - Step 4: Simplify right side
368,803.80x = 202,088,586,956.22 - Step 5: Solve for x
x = 202,088,586,956.22/368,803.80 - Step 6: Final answer
x = 547,956.90
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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.