Finding the Fourth Proportional to 243,323.35, 364,985.88 and 74,842.54
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Solution
The fourth proportional to 243,323.35, 364,985.88 and 74,842.54 is: 112,264.07
Step by Step Solution
- Step 1: Write the proportion equation
243,323.35 : 364,985.88 = 74,842.54 : x - Step 2: Convert to fraction form
243,323.35/364,985.88 = 74,842.54/x - Step 3: Cross multiply
243,323.35x = 364,985.88 × 74,842.54 - Step 4: Simplify right side
243,323.35x = 27,316,469,130.21 - Step 5: Solve for x
x = 27,316,469,130.21/243,323.35 - Step 6: Final answer
x = 112,264.07
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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.