Finding the Fourth Proportional to 442,293.99, 663,440.85 and 142,818.63
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Solution
The fourth proportional to 442,293.99, 663,440.85 and 142,818.63 is: 214,227.90
Step by Step Solution
- Step 1: Write the proportion equation
442,293.99 : 663,440.85 = 142,818.63 : x - Step 2: Convert to fraction form
442,293.99/663,440.85 = 142,818.63/x - Step 3: Cross multiply
442,293.99x = 663,440.85 × 142,818.63 - Step 4: Simplify right side
442,293.99x = 94,751,713,283.04 - Step 5: Solve for x
x = 94,751,713,283.04/442,293.99 - Step 6: Final answer
x = 214,227.90
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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.