Finding the Fourth Proportional to 157,432.68, 235,886.58 and 112,992.84
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Solution
The fourth proportional to 157,432.68, 235,886.58 and 112,992.84 is: 169,300.90
Step by Step Solution
- Step 1: Write the proportion equation
157,432.68 : 235,886.58 = 112,992.84 : x - Step 2: Convert to fraction form
157,432.68/235,886.58 = 112,992.84/x - Step 3: Cross multiply
157,432.68x = 235,886.58 × 112,992.84 - Step 4: Simplify right side
157,432.68x = 26,653,494,592.09 - Step 5: Solve for x
x = 26,653,494,592.09/157,432.68 - Step 6: Final answer
x = 169,300.90
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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.