Finding the Fourth Proportional to 395,442.08, 545,710.20 and 216,594.08
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Solution
The fourth proportional to 395,442.08, 545,710.20 and 216,594.08 is: 298,899.90
Step by Step Solution
- Step 1: Write the proportion equation
395,442.08 : 545,710.20 = 216,594.08 : x - Step 2: Convert to fraction form
395,442.08/545,710.20 = 216,594.08/x - Step 3: Cross multiply
395,442.08x = 545,710.20 × 216,594.08 - Step 4: Simplify right side
395,442.08x = 118,197,598,715.62 - Step 5: Solve for x
x = 118,197,598,715.62/395,442.08 - Step 6: Final answer
x = 298,899.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.