Finding the Fourth Proportional to 343,128.60, 473,403.96 and 207,110.88
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Solution
The fourth proportional to 343,128.60, 473,403.96 and 207,110.88 is: 285,744.50
Step by Step Solution
- Step 1: Write the proportion equation
343,128.60 : 473,403.96 = 207,110.88 : x - Step 2: Convert to fraction form
343,128.60/473,403.96 = 207,110.88/x - Step 3: Cross multiply
343,128.60x = 473,403.96 × 207,110.88 - Step 4: Simplify right side
343,128.60x = 98,047,110,751.08 - Step 5: Solve for x
x = 98,047,110,751.08/343,128.60 - Step 6: Final answer
x = 285,744.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.