Finding the Fourth Proportional to 67,356, 100,780.05 and 40,237.80
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Solution
The fourth proportional to 67,356, 100,780.05 and 40,237.80 is: 60,204.99
Step by Step Solution
- Step 1: Write the proportion equation
67,356 : 100,780.05 = 40,237.80 : x - Step 2: Convert to fraction form
67,356/100,780.05 = 40,237.80/x - Step 3: Cross multiply
67,356x = 100,780.05 × 40,237.80 - Step 4: Simplify right side
67,356x = 4,055,167,495.89 - Step 5: Solve for x
x = 4,055,167,495.89/67,356 - Step 6: Final answer
x = 60,204.99
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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.