Finding the Fourth Proportional to 248,129.74, 372,347.70 and 114,985.18
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Solution
The fourth proportional to 248,129.74, 372,347.70 and 114,985.18 is: 172,548.71
Step by Step Solution
- Step 1: Write the proportion equation
248,129.74 : 372,347.70 = 114,985.18 : x - Step 2: Convert to fraction form
248,129.74/372,347.70 = 114,985.18/x - Step 3: Cross multiply
248,129.74x = 372,347.70 × 114,985.18 - Step 4: Simplify right side
248,129.74x = 42,814,466,376.22 - Step 5: Solve for x
x = 42,814,466,376.22/248,129.74 - Step 6: Final answer
x = 172,548.71
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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.