Finding the Fourth Proportional to 419,740.84, 579,227.58 and 228,750.40
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Solution
The fourth proportional to 419,740.84, 579,227.58 and 228,750.40 is: 315,667.50
Step by Step Solution
- Step 1: Write the proportion equation
419,740.84 : 579,227.58 = 228,750.40 : x - Step 2: Convert to fraction form
419,740.84/579,227.58 = 228,750.40/x - Step 3: Cross multiply
419,740.84x = 579,227.58 × 228,750.40 - Step 4: Simplify right side
419,740.84x = 132,498,540,616.03 - Step 5: Solve for x
x = 132,498,540,616.03/419,740.84 - Step 6: Final answer
x = 315,667.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.