Finding the Fourth Proportional to 370,243.80, 555,365.70 and 330,877.80
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Solution
The fourth proportional to 370,243.80, 555,365.70 and 330,877.80 is: 496,316.70
Step by Step Solution
- Step 1: Write the proportion equation
370,243.80 : 555,365.70 = 330,877.80 : x - Step 2: Convert to fraction form
370,243.80/555,365.70 = 330,877.80/x - Step 3: Cross multiply
370,243.80x = 555,365.70 × 330,877.80 - Step 4: Simplify right side
370,243.80x = 183,758,181,011.46 - Step 5: Solve for x
x = 183,758,181,011.46/370,243.80 - Step 6: Final answer
x = 496,316.70
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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.