Finding the Fourth Proportional to 623,207.20, 934,810.80 and 202,525.60
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Solution
The fourth proportional to 623,207.20, 934,810.80 and 202,525.60 is: 303,788.40
Step by Step Solution
- Step 1: Write the proportion equation
623,207.20 : 934,810.80 = 202,525.60 : x - Step 2: Convert to fraction form
623,207.20/934,810.80 = 202,525.60/x - Step 3: Cross multiply
623,207.20x = 934,810.80 × 202,525.60 - Step 4: Simplify right side
623,207.20x = 189,323,118,156.48 - Step 5: Solve for x
x = 189,323,118,156.48/623,207.20 - Step 6: Final answer
x = 303,788.40
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1.5x scale
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.