Finding the Fourth Proportional to 436,631.94, 602,551.98 and 243,035.47
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Solution
The fourth proportional to 436,631.94, 602,551.98 and 243,035.47 is: 335,388.89
Step by Step Solution
- Step 1: Write the proportion equation
436,631.94 : 602,551.98 = 243,035.47 : x - Step 2: Convert to fraction form
436,631.94/602,551.98 = 243,035.47/x - Step 3: Cross multiply
436,631.94x = 602,551.98 × 243,035.47 - Step 4: Simplify right side
436,631.94x = 146,441,503,658.73 - Step 5: Solve for x
x = 146,441,503,658.73/436,631.94 - Step 6: Final answer
x = 335,388.89
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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.