Finding the Fourth Proportional to 589,393.80, 884,090.70 and 146,161.80
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Solution
The fourth proportional to 589,393.80, 884,090.70 and 146,161.80 is: 219,242.70
Step by Step Solution
- Step 1: Write the proportion equation
589,393.80 : 884,090.70 = 146,161.80 : x - Step 2: Convert to fraction form
589,393.80/884,090.70 = 146,161.80/x - Step 3: Cross multiply
589,393.80x = 884,090.70 × 146,161.80 - Step 4: Simplify right side
589,393.80x = 129,220,288,075.26 - Step 5: Solve for x
x = 129,220,288,075.26/589,393.80 - Step 6: Final answer
x = 219,242.70
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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.