Finding the Fourth Proportional to 408,874.02, 613,048.56 and 268,468.62
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Solution
The fourth proportional to 408,874.02, 613,048.56 and 268,468.62 is: 402,530.59
Step by Step Solution
- Step 1: Write the proportion equation
408,874.02 : 613,048.56 = 268,468.62 : x - Step 2: Convert to fraction form
408,874.02/613,048.56 = 268,468.62/x - Step 3: Cross multiply
408,874.02x = 613,048.56 × 268,468.62 - Step 4: Simplify right side
408,874.02x = 164,584,300,896.19 - Step 5: Solve for x
x = 164,584,300,896.19/408,874.02 - Step 6: Final answer
x = 402,530.59
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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.