Finding the Fourth Proportional to 155,129.19, 232,478.51 and 70,682.98
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Solution
The fourth proportional to 155,129.19, 232,478.51 and 70,682.98 is: 105,926.38
Step by Step Solution
- Step 1: Write the proportion equation
155,129.19 : 232,478.51 = 70,682.98 : x - Step 2: Convert to fraction form
155,129.19/232,478.51 = 70,682.98/x - Step 3: Cross multiply
155,129.19x = 232,478.51 × 70,682.98 - Step 4: Simplify right side
155,129.19x = 16,432,273,374.05 - Step 5: Solve for x
x = 16,432,273,374.05/155,129.19 - Step 6: Final answer
x = 105,926.38
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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.