Finding the Fourth Proportional to 294,649.20, 441,973.80 and 97,657.20
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Solution
The fourth proportional to 294,649.20, 441,973.80 and 97,657.20 is: 146,485.80
Step by Step Solution
- Step 1: Write the proportion equation
294,649.20 : 441,973.80 = 97,657.20 : x - Step 2: Convert to fraction form
294,649.20/441,973.80 = 97,657.20/x - Step 3: Cross multiply
294,649.20x = 441,973.80 × 97,657.20 - Step 4: Simplify right side
294,649.20x = 43,161,923,781.36 - Step 5: Solve for x
x = 43,161,923,781.36/294,649.20 - Step 6: Final answer
x = 146,485.80
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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.