Finding the Fourth Proportional to 405,373.44, 607,466.88 and 228,226.08
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Solution
The fourth proportional to 405,373.44, 607,466.88 and 228,226.08 is: 342,005.10
Step by Step Solution
- Step 1: Write the proportion equation
405,373.44 : 607,466.88 = 228,226.08 : x - Step 2: Convert to fraction form
405,373.44/607,466.88 = 228,226.08/x - Step 3: Cross multiply
405,373.44x = 607,466.88 × 228,226.08 - Step 4: Simplify right side
405,373.44x = 138,639,784,752.23 - Step 5: Solve for x
x = 138,639,784,752.23/405,373.44 - Step 6: Final answer
x = 342,005.10
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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.