Finding the Fourth Proportional to 316,442.84, 474,773.60 and 197,973.05
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Solution
The fourth proportional to 316,442.84, 474,773.60 and 197,973.05 is: 297,027.98
Step by Step Solution
- Step 1: Write the proportion equation
316,442.84 : 474,773.60 = 197,973.05 : x - Step 2: Convert to fraction form
316,442.84/474,773.60 = 197,973.05/x - Step 3: Cross multiply
316,442.84x = 474,773.60 × 197,973.05 - Step 4: Simplify right side
316,442.84x = 93,992,375,772.54 - Step 5: Solve for x
x = 93,992,375,772.54/316,442.84 - Step 6: Final answer
x = 297,027.98
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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.