Finding the Fourth Proportional to 562,221.68, 843,445.20 and 207,237.20
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Solution
The fourth proportional to 562,221.68, 843,445.20 and 207,237.20 is: 310,897.33
Step by Step Solution
- Step 1: Write the proportion equation
562,221.68 : 843,445.20 = 207,237.20 : x - Step 2: Convert to fraction form
562,221.68/843,445.20 = 207,237.20/x - Step 3: Cross multiply
562,221.68x = 843,445.20 × 207,237.20 - Step 4: Simplify right side
562,221.68x = 174,793,221,601.44 - Step 5: Solve for x
x = 174,793,221,601.44/562,221.68 - Step 6: Final answer
x = 310,897.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.