Finding the Fourth Proportional to 155,235.96, 232,746.35 and 79,186.82
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Solution
The fourth proportional to 155,235.96, 232,746.35 and 79,186.82 is: 118,725.34
Step by Step Solution
- Step 1: Write the proportion equation
155,235.96 : 232,746.35 = 79,186.82 : x - Step 2: Convert to fraction form
155,235.96/232,746.35 = 79,186.82/x - Step 3: Cross multiply
155,235.96x = 232,746.35 × 79,186.82 - Step 4: Simplify right side
155,235.96x = 18,430,441,763.44 - Step 5: Solve for x
x = 18,430,441,763.44/155,235.96 - Step 6: Final answer
x = 118,725.34
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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.