Finding the Fourth Proportional to 436,900.89, 602,884.82 and 243,293.99
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Solution
The fourth proportional to 436,900.89, 602,884.82 and 243,293.99 is: 335,724.31
Step by Step Solution
- Step 1: Write the proportion equation
436,900.89 : 602,884.82 = 243,293.99 : x - Step 2: Convert to fraction form
436,900.89/602,884.82 = 243,293.99/x - Step 3: Cross multiply
436,900.89x = 602,884.82 × 243,293.99 - Step 4: Simplify right side
436,900.89x = 146,678,249,137.34 - Step 5: Solve for x
x = 146,678,249,137.34/436,900.89 - Step 6: Final answer
x = 335,724.31
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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.