Finding the Fourth Proportional to 605,542.41, 908,309.07 and 156,225.09
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Solution
The fourth proportional to 605,542.41, 908,309.07 and 156,225.09 is: 234,336.46
Step by Step Solution
- Step 1: Write the proportion equation
605,542.41 : 908,309.07 = 156,225.09 : x - Step 2: Convert to fraction form
605,542.41/908,309.07 = 156,225.09/x - Step 3: Cross multiply
605,542.41x = 908,309.07 × 156,225.09 - Step 4: Simplify right side
605,542.41x = 141,900,666,208.57 - Step 5: Solve for x
x = 141,900,666,208.57/605,542.41 - Step 6: Final answer
x = 234,336.46
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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.