Finding the Fourth Proportional to 207,430.60, 310,368.30 and 188,768.20
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Solution
The fourth proportional to 207,430.60, 310,368.30 and 188,768.20 is: 282,444.66
Step by Step Solution
- Step 1: Write the proportion equation
207,430.60 : 310,368.30 = 188,768.20 : x - Step 2: Convert to fraction form
207,430.60/310,368.30 = 188,768.20/x - Step 3: Cross multiply
207,430.60x = 310,368.30 × 188,768.20 - Step 4: Simplify right side
207,430.60x = 58,587,665,328.06 - Step 5: Solve for x
x = 58,587,665,328.06/207,430.60 - Step 6: Final answer
x = 282,444.66
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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.