Finding the Fourth Proportional to 425,235.88, 637,632.36 and 158,777.26
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Solution
The fourth proportional to 425,235.88, 637,632.36 and 158,777.26 is: 238,083.20
Step by Step Solution
- Step 1: Write the proportion equation
425,235.88 : 637,632.36 = 158,777.26 : x - Step 2: Convert to fraction form
425,235.88/637,632.36 = 158,777.26/x - Step 3: Cross multiply
425,235.88x = 637,632.36 × 158,777.26 - Step 4: Simplify right side
425,235.88x = 101,241,519,008.13 - Step 5: Solve for x
x = 101,241,519,008.13/425,235.88 - Step 6: Final answer
x = 238,083.20
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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.