Finding the Fourth Proportional to 368,378.96, 508,351.95 and 223,270.63
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Solution
The fourth proportional to 368,378.96, 508,351.95 and 223,270.63 is: 308,106.79
Step by Step Solution
- Step 1: Write the proportion equation
368,378.96 : 508,351.95 = 223,270.63 : x - Step 2: Convert to fraction form
368,378.96/508,351.95 = 223,270.63/x - Step 3: Cross multiply
368,378.96x = 508,351.95 × 223,270.63 - Step 4: Simplify right side
368,378.96x = 113,500,058,867.35 - Step 5: Solve for x
x = 113,500,058,867.35/368,378.96 - Step 6: Final answer
x = 308,106.79
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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.