Finding the Fourth Proportional to 387,829.99, 534,764.12 and 273,071.95
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Solution
The fourth proportional to 387,829.99, 534,764.12 and 273,071.95 is: 376,528.59
Step by Step Solution
- Step 1: Write the proportion equation
387,829.99 : 534,764.12 = 273,071.95 : x - Step 2: Convert to fraction form
387,829.99/534,764.12 = 273,071.95/x - Step 3: Cross multiply
387,829.99x = 534,764.12 × 273,071.95 - Step 4: Simplify right side
387,829.99x = 146,029,076,999.25 - Step 5: Solve for x
x = 146,029,076,999.25/387,829.99 - Step 6: Final answer
x = 376,528.59
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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.