Finding the Fourth Proportional to 438,525.12, 657,988.56 and 238,545.84
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Solution
The fourth proportional to 438,525.12, 657,988.56 and 238,545.84 is: 357,928.03
Step by Step Solution
- Step 1: Write the proportion equation
438,525.12 : 657,988.56 = 238,545.84 : x - Step 2: Convert to fraction form
438,525.12/657,988.56 = 238,545.84/x - Step 3: Cross multiply
438,525.12x = 657,988.56 × 238,545.84 - Step 4: Simplify right side
438,525.12x = 156,960,433,755.59 - Step 5: Solve for x
x = 156,960,433,755.59/438,525.12 - Step 6: Final answer
x = 357,928.03
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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.