Finding the Fourth Proportional to 402,415.80, 603,239.70 and 149,628.60
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Solution
The fourth proportional to 402,415.80, 603,239.70 and 149,628.60 is: 224,300.12
Step by Step Solution
- Step 1: Write the proportion equation
402,415.80 : 603,239.70 = 149,628.60 : x - Step 2: Convert to fraction form
402,415.80/603,239.70 = 149,628.60/x - Step 3: Cross multiply
402,415.80x = 603,239.70 × 149,628.60 - Step 4: Simplify right side
402,415.80x = 90,261,911,775.42 - Step 5: Solve for x
x = 90,261,911,775.42/402,415.80 - Step 6: Final answer
x = 224,300.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.