Finding the Fourth Proportional to 338,368.84, 507,553.64 and 101,711.52
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Solution
The fourth proportional to 338,368.84, 507,553.64 and 101,711.52 is: 152,567.39
Step by Step Solution
- Step 1: Write the proportion equation
338,368.84 : 507,553.64 = 101,711.52 : x - Step 2: Convert to fraction form
338,368.84/507,553.64 = 101,711.52/x - Step 3: Cross multiply
338,368.84x = 507,553.64 × 101,711.52 - Step 4: Simplify right side
338,368.84x = 51,624,052,205.93 - Step 5: Solve for x
x = 51,624,052,205.93/338,368.84 - Step 6: Final answer
x = 152,567.39
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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.