Finding the Fourth Proportional to 453,417.24, 625,649.76 and 272,090.64
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Solution
The fourth proportional to 453,417.24, 625,649.76 and 272,090.64 is: 375,445.46
Step by Step Solution
- Step 1: Write the proportion equation
453,417.24 : 625,649.76 = 272,090.64 : x - Step 2: Convert to fraction form
453,417.24/625,649.76 = 272,090.64/x - Step 3: Cross multiply
453,417.24x = 625,649.76 × 272,090.64 - Step 4: Simplify right side
453,417.24x = 170,233,443,614.25 - Step 5: Solve for x
x = 170,233,443,614.25/453,417.24 - Step 6: Final answer
x = 375,445.46
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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.