Finding the Fourth Proportional to 428,296.26, 591,024.08 and 237,298.26
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Solution
The fourth proportional to 428,296.26, 591,024.08 and 237,298.26 is: 327,457.88
Step by Step Solution
- Step 1: Write the proportion equation
428,296.26 : 591,024.08 = 237,298.26 : x - Step 2: Convert to fraction form
428,296.26/591,024.08 = 237,298.26/x - Step 3: Cross multiply
428,296.26x = 591,024.08 × 237,298.26 - Step 4: Simplify right side
428,296.26x = 140,248,985,802.10 - Step 5: Solve for x
x = 140,248,985,802.10/428,296.26 - Step 6: Final answer
x = 327,457.88
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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.