Finding the Fourth Proportional to 361,875.70, 542,813.55 and 268,563.70
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Solution
The fourth proportional to 361,875.70, 542,813.55 and 268,563.70 is: 402,845.55
Step by Step Solution
- Step 1: Write the proportion equation
361,875.70 : 542,813.55 = 268,563.70 : x - Step 2: Convert to fraction form
361,875.70/542,813.55 = 268,563.70/x - Step 3: Cross multiply
361,875.70x = 542,813.55 × 268,563.70 - Step 4: Simplify right side
361,875.70x = 145,780,015,398.14 - Step 5: Solve for x
x = 145,780,015,398.14/361,875.70 - Step 6: Final answer
x = 402,845.55
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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.