Finding the Fourth Proportional to 303,497.80, 455,246.70 and 93,108.40
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Solution
The fourth proportional to 303,497.80, 455,246.70 and 93,108.40 is: 139,662.60
Step by Step Solution
- Step 1: Write the proportion equation
303,497.80 : 455,246.70 = 93,108.40 : x - Step 2: Convert to fraction form
303,497.80/455,246.70 = 93,108.40/x - Step 3: Cross multiply
303,497.80x = 455,246.70 × 93,108.40 - Step 4: Simplify right side
303,497.80x = 42,387,291,842.28 - Step 5: Solve for x
x = 42,387,291,842.28/303,497.80 - Step 6: Final answer
x = 139,662.60
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Similar ratio
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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.