Finding the Fourth Proportional to 358,876.74, 538,398.48 and 122,221.44
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Solution
The fourth proportional to 358,876.74, 538,398.48 and 122,221.44 is: 183,360.55
Step by Step Solution
- Step 1: Write the proportion equation
358,876.74 : 538,398.48 = 122,221.44 : x - Step 2: Convert to fraction form
358,876.74/538,398.48 = 122,221.44/x - Step 3: Cross multiply
358,876.74x = 538,398.48 × 122,221.44 - Step 4: Simplify right side
358,876.74x = 65,803,837,519.41 - Step 5: Solve for x
x = 65,803,837,519.41/358,876.74 - Step 6: Final answer
x = 183,360.55
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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.