Finding the Fourth Proportional to 372,987.02, 514,722.08 and 203,221.14
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Solution
The fourth proportional to 372,987.02, 514,722.08 and 203,221.14 is: 280,445.17
Step by Step Solution
- Step 1: Write the proportion equation
372,987.02 : 514,722.08 = 203,221.14 : x - Step 2: Convert to fraction form
372,987.02/514,722.08 = 203,221.14/x - Step 3: Cross multiply
372,987.02x = 514,722.08 × 203,221.14 - Step 4: Simplify right side
372,987.02x = 104,602,407,880.77 - Step 5: Solve for x
x = 104,602,407,880.77/372,987.02 - Step 6: Final answer
x = 280,445.17
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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.