Finding the Fourth Proportional to 350,816.13, 484,126.13 and 189,671.13
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Solution
The fourth proportional to 350,816.13, 484,126.13 and 189,671.13 is: 261,746.09
Step by Step Solution
- Step 1: Write the proportion equation
350,816.13 : 484,126.13 = 189,671.13 : x - Step 2: Convert to fraction form
350,816.13/484,126.13 = 189,671.13/x - Step 3: Cross multiply
350,816.13x = 484,126.13 × 189,671.13 - Step 4: Simplify right side
350,816.13x = 91,824,750,139.63 - Step 5: Solve for x
x = 91,824,750,139.63/350,816.13 - Step 6: Final answer
x = 261,746.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.