Finding the Fourth Proportional to 436,705.09, 602,657.84 and 240,493.60
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Solution
The fourth proportional to 436,705.09, 602,657.84 and 240,493.60 is: 331,883.82
Step by Step Solution
- Step 1: Write the proportion equation
436,705.09 : 602,657.84 = 240,493.60 : x - Step 2: Convert to fraction form
436,705.09/602,657.84 = 240,493.60/x - Step 3: Cross multiply
436,705.09x = 602,657.84 × 240,493.60 - Step 4: Simplify right side
436,705.09x = 144,935,353,509.82 - Step 5: Solve for x
x = 144,935,353,509.82/436,705.09 - Step 6: Final answer
x = 331,883.82
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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.