Finding the Fourth Proportional to 239,246.80, 358,870.20 and 176,261.20
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Solution
The fourth proportional to 239,246.80, 358,870.20 and 176,261.20 is: 264,391.80
Step by Step Solution
- Step 1: Write the proportion equation
239,246.80 : 358,870.20 = 176,261.20 : x - Step 2: Convert to fraction form
239,246.80/358,870.20 = 176,261.20/x - Step 3: Cross multiply
239,246.80x = 358,870.20 × 176,261.20 - Step 4: Simplify right side
239,246.80x = 63,254,892,096.24 - Step 5: Solve for x
x = 63,254,892,096.24/239,246.80 - Step 6: Final answer
x = 264,391.80
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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.