Finding the Fourth Proportional to 338,355.71, 507,494.05 and 135,943.62
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Solution
The fourth proportional to 338,355.71, 507,494.05 and 135,943.62 is: 203,899.55
Step by Step Solution
- Step 1: Write the proportion equation
338,355.71 : 507,494.05 = 135,943.62 : x - Step 2: Convert to fraction form
338,355.71/507,494.05 = 135,943.62/x - Step 3: Cross multiply
338,355.71x = 507,494.05 × 135,943.62 - Step 4: Simplify right side
338,355.71x = 68,990,578,285.46 - Step 5: Solve for x
x = 68,990,578,285.46/338,355.71 - Step 6: Final answer
x = 203,899.55
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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.