Finding the Fourth Proportional to 450,237.36, 620,832.96 and 289,031.52
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Solution
The fourth proportional to 450,237.36, 620,832.96 and 289,031.52 is: 398,545.99
Step by Step Solution
- Step 1: Write the proportion equation
450,237.36 : 620,832.96 = 289,031.52 : x - Step 2: Convert to fraction form
450,237.36/620,832.96 = 289,031.52/x - Step 3: Cross multiply
450,237.36x = 620,832.96 × 289,031.52 - Step 4: Simplify right side
450,237.36x = 179,440,294,094.90 - Step 5: Solve for x
x = 179,440,294,094.90/450,237.36 - Step 6: Final answer
x = 398,545.99
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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.