Finding the Fourth Proportional to 338,233.68, 507,374.19 and 135,829.75
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Solution
The fourth proportional to 338,233.68, 507,374.19 and 135,829.75 is: 203,754.12
Step by Step Solution
- Step 1: Write the proportion equation
338,233.68 : 507,374.19 = 135,829.75 : x - Step 2: Convert to fraction form
338,233.68/507,374.19 = 135,829.75/x - Step 3: Cross multiply
338,233.68x = 507,374.19 × 135,829.75 - Step 4: Simplify right side
338,233.68x = 68,916,506,168.13 - Step 5: Solve for x
x = 68,916,506,168.13/338,233.68 - Step 6: Final answer
x = 203,754.12
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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.