Finding the Fourth Proportional to 448,963.05, 619,582.13 and 245,027.08
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Solution
The fourth proportional to 448,963.05, 619,582.13 and 245,027.08 is: 338,144.52
Step by Step Solution
- Step 1: Write the proportion equation
448,963.05 : 619,582.13 = 245,027.08 : x - Step 2: Convert to fraction form
448,963.05/619,582.13 = 245,027.08/x - Step 3: Cross multiply
448,963.05x = 619,582.13 × 245,027.08 - Step 4: Simplify right side
448,963.05x = 151,814,397,117.13 - Step 5: Solve for x
x = 151,814,397,117.13/448,963.05 - Step 6: Final answer
x = 338,144.52
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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.