Finding the Fourth Proportional to 248,678.69, 372,703.95 and 106,354.80
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Solution
The fourth proportional to 248,678.69, 372,703.95 and 106,354.80 is: 159,397.88
Step by Step Solution
- Step 1: Write the proportion equation
248,678.69 : 372,703.95 = 106,354.80 : x - Step 2: Convert to fraction form
248,678.69/372,703.95 = 106,354.80/x - Step 3: Cross multiply
248,678.69x = 372,703.95 × 106,354.80 - Step 4: Simplify right side
248,678.69x = 39,638,854,061.46 - Step 5: Solve for x
x = 39,638,854,061.46/248,678.69 - Step 6: Final answer
x = 159,397.88
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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.