Finding the Fourth Proportional to 372,372.76, 513,873.93 and 202,605.76
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Solution
The fourth proportional to 372,372.76, 513,873.93 and 202,605.76 is: 279,595.69
Step by Step Solution
- Step 1: Write the proportion equation
372,372.76 : 513,873.93 = 202,605.76 : x - Step 2: Convert to fraction form
372,372.76/513,873.93 = 202,605.76/x - Step 3: Cross multiply
372,372.76x = 513,873.93 × 202,605.76 - Step 4: Simplify right side
372,372.76x = 104,113,818,131.84 - Step 5: Solve for x
x = 104,113,818,131.84/372,372.76 - Step 6: Final answer
x = 279,595.69
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1.5x scale
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.