Finding the Fourth Proportional to 270,041.74, 372,655.83 and 149,190.82
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Solution
The fourth proportional to 270,041.74, 372,655.83 and 149,190.82 is: 205,882.35
Step by Step Solution
- Step 1: Write the proportion equation
270,041.74 : 372,655.83 = 149,190.82 : x - Step 2: Convert to fraction form
270,041.74/372,655.83 = 149,190.82/x - Step 3: Cross multiply
270,041.74x = 372,655.83 × 149,190.82 - Step 4: Simplify right side
270,041.74x = 55,596,828,855.48 - Step 5: Solve for x
x = 55,596,828,855.48/270,041.74 - Step 6: Final answer
x = 205,882.35
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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.