Finding the Fourth Proportional to 372,506.76, 514,057.86 and 202,742.28
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Solution
The fourth proportional to 372,506.76, 514,057.86 and 202,742.28 is: 279,783.55
Step by Step Solution
- Step 1: Write the proportion equation
372,506.76 : 514,057.86 = 202,742.28 : x - Step 2: Convert to fraction form
372,506.76/514,057.86 = 202,742.28/x - Step 3: Cross multiply
372,506.76x = 514,057.86 × 202,742.28 - Step 4: Simplify right side
372,506.76x = 104,221,262,588.32 - Step 5: Solve for x
x = 104,221,262,588.32/372,506.76 - Step 6: Final answer
x = 279,783.55
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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.