Finding the Fourth Proportional to 473,883.21, 654,397.79 and 304,415.01
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Solution
The fourth proportional to 473,883.21, 654,397.79 and 304,415.01 is: 420,374.69
Step by Step Solution
- Step 1: Write the proportion equation
473,883.21 : 654,397.79 = 304,415.01 : x - Step 2: Convert to fraction form
473,883.21/654,397.79 = 304,415.01/x - Step 3: Cross multiply
473,883.21x = 654,397.79 × 304,415.01 - Step 4: Simplify right side
473,883.21x = 199,208,508,264.75 - Step 5: Solve for x
x = 199,208,508,264.75/473,883.21 - Step 6: Final answer
x = 420,374.69
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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.