Finding the Fourth Proportional to 767,938.74, 1,151,830.35 and 207,029.94
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Solution
The fourth proportional to 767,938.74, 1,151,830.35 and 207,029.94 is: 310,523.95
Step by Step Solution
- Step 1: Write the proportion equation
767,938.74 : 1,151,830.35 = 207,029.94 : x - Step 2: Convert to fraction form
767,938.74/1,151,830.35 = 207,029.94/x - Step 3: Cross multiply
767,938.74x = 1,151,830.35 × 207,029.94 - Step 4: Simplify right side
767,938.74x = 238,463,368,250.68 - Step 5: Solve for x
x = 238,463,368,250.68/767,938.74 - Step 6: Final answer
x = 310,523.95
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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.