Finding the Fourth Proportional to 306,985.62, 460,455.96 and 96,683.70
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Solution
The fourth proportional to 306,985.62, 460,455.96 and 96,683.70 is: 145,018.47
Step by Step Solution
- Step 1: Write the proportion equation
306,985.62 : 460,455.96 = 96,683.70 : x - Step 2: Convert to fraction form
306,985.62/460,455.96 = 96,683.70/x - Step 3: Cross multiply
306,985.62x = 460,455.96 × 96,683.70 - Step 4: Simplify right side
306,985.62x = 44,518,585,899.85 - Step 5: Solve for x
x = 44,518,585,899.85/306,985.62 - Step 6: Final answer
x = 145,018.47
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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.