Finding the Fourth Proportional to 220,681.99, 304,563.59 and 130,067.19
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Solution
The fourth proportional to 220,681.99, 304,563.59 and 130,067.19 is: 179,505.95
Step by Step Solution
- Step 1: Write the proportion equation
220,681.99 : 304,563.59 = 130,067.19 : x - Step 2: Convert to fraction form
220,681.99/304,563.59 = 130,067.19/x - Step 3: Cross multiply
220,681.99x = 304,563.59 × 130,067.19 - Step 4: Simplify right side
220,681.99x = 39,613,730,327.61 - Step 5: Solve for x
x = 39,613,730,327.61/220,681.99 - Step 6: Final answer
x = 179,505.95
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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.