Finding the Fourth Proportional to 315,737.10, 473,629.68 and 105,374.70
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Solution
The fourth proportional to 315,737.10, 473,629.68 and 105,374.70 is: 158,070.07
Step by Step Solution
- Step 1: Write the proportion equation
315,737.10 : 473,629.68 = 105,374.70 : x - Step 2: Convert to fraction form
315,737.10/473,629.68 = 105,374.70/x - Step 3: Cross multiply
315,737.10x = 473,629.68 × 105,374.70 - Step 4: Simplify right side
315,737.10x = 49,908,585,441.10 - Step 5: Solve for x
x = 49,908,585,441.10/315,737.10 - Step 6: Final answer
x = 158,070.07
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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.