Finding the Fourth Proportional to 605,133.16, 907,279.42 and 267,990.08
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Solution
The fourth proportional to 605,133.16, 907,279.42 and 267,990.08 is: 401,798.98
Step by Step Solution
- Step 1: Write the proportion equation
605,133.16 : 907,279.42 = 267,990.08 : x - Step 2: Convert to fraction form
605,133.16/907,279.42 = 267,990.08/x - Step 3: Cross multiply
605,133.16x = 907,279.42 × 267,990.08 - Step 4: Simplify right side
605,133.16x = 243,141,884,348.15 - Step 5: Solve for x
x = 243,141,884,348.15/605,133.16 - Step 6: Final answer
x = 401,798.98
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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.