Finding the Fourth Proportional to 425,259.14, 637,906.52 and 158,992.70
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Solution
The fourth proportional to 425,259.14, 637,906.52 and 158,992.70 is: 238,495.70
Step by Step Solution
- Step 1: Write the proportion equation
425,259.14 : 637,906.52 = 158,992.70 : x - Step 2: Convert to fraction form
425,259.14/637,906.52 = 158,992.70/x - Step 3: Cross multiply
425,259.14x = 637,906.52 × 158,992.70 - Step 4: Simplify right side
425,259.14x = 101,422,477,170.35 - Step 5: Solve for x
x = 101,422,477,170.35/425,259.14 - Step 6: Final answer
x = 238,495.70
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1.5x scale
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.