Finding the Fourth Proportional to 316,844.12, 474,653.74 and 176,176.28
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Solution
The fourth proportional to 316,844.12, 474,653.74 and 176,176.28 is: 263,923.88
Step by Step Solution
- Step 1: Write the proportion equation
316,844.12 : 474,653.74 = 176,176.28 : x - Step 2: Convert to fraction form
316,844.12/474,653.74 = 176,176.28/x - Step 3: Cross multiply
316,844.12x = 474,653.74 × 176,176.28 - Step 4: Simplify right side
316,844.12x = 83,622,730,201.29 - Step 5: Solve for x
x = 83,622,730,201.29/316,844.12 - Step 6: Final answer
x = 263,923.88
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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.