Finding the Fourth Proportional to 315,477.70, 473,216.55 and 93,861.70
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Solution
The fourth proportional to 315,477.70, 473,216.55 and 93,861.70 is: 140,792.55
Step by Step Solution
- Step 1: Write the proportion equation
315,477.70 : 473,216.55 = 93,861.70 : x - Step 2: Convert to fraction form
315,477.70/473,216.55 = 93,861.70/x - Step 3: Cross multiply
315,477.70x = 473,216.55 × 93,861.70 - Step 4: Simplify right side
315,477.70x = 44,416,909,851.14 - Step 5: Solve for x
x = 44,416,909,851.14/315,477.70 - Step 6: Final answer
x = 140,792.55
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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.