Finding the Fourth Proportional to 294,555.19, 406,415.60 and 173,686.99
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Solution
The fourth proportional to 294,555.19, 406,415.60 and 173,686.99 is: 239,646.44
Step by Step Solution
- Step 1: Write the proportion equation
294,555.19 : 406,415.60 = 173,686.99 : x - Step 2: Convert to fraction form
294,555.19/406,415.60 = 173,686.99/x - Step 3: Cross multiply
294,555.19x = 406,415.60 × 173,686.99 - Step 4: Simplify right side
294,555.19x = 70,589,101,384.61 - Step 5: Solve for x
x = 70,589,101,384.61/294,555.19 - Step 6: Final answer
x = 239,646.44
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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.