Finding the Fourth Proportional to 236,374.14, 354,564.30 and 78,602.58
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Solution
The fourth proportional to 236,374.14, 354,564.30 and 78,602.58 is: 117,904.90
Step by Step Solution
- Step 1: Write the proportion equation
236,374.14 : 354,564.30 = 78,602.58 : x - Step 2: Convert to fraction form
236,374.14/354,564.30 = 78,602.58/x - Step 3: Cross multiply
236,374.14x = 354,564.30 × 78,602.58 - Step 4: Simplify right side
236,374.14x = 27,869,668,755.89 - Step 5: Solve for x
x = 27,869,668,755.89/236,374.14 - Step 6: Final answer
x = 117,904.90
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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.