Finding the Fourth Proportional to 153,703.97, 212,149.51 and 104,726.62
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Solution
The fourth proportional to 153,703.97, 212,149.51 and 104,726.62 is: 144,548.64
Step by Step Solution
- Step 1: Write the proportion equation
153,703.97 : 212,149.51 = 104,726.62 : x - Step 2: Convert to fraction form
153,703.97/212,149.51 = 104,726.62/x - Step 3: Cross multiply
153,703.97x = 212,149.51 × 104,726.62 - Step 4: Simplify right side
153,703.97x = 22,217,700,717.49 - Step 5: Solve for x
x = 22,217,700,717.49/153,703.97 - Step 6: Final answer
x = 144,548.64
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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.