Finding the Fourth Proportional to 348,318.14, 480,684.30 and 195,390.23
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Solution
The fourth proportional to 348,318.14, 480,684.30 and 195,390.23 is: 269,641.47
Step by Step Solution
- Step 1: Write the proportion equation
348,318.14 : 480,684.30 = 195,390.23 : x - Step 2: Convert to fraction form
348,318.14/480,684.30 = 195,390.23/x - Step 3: Cross multiply
348,318.14x = 480,684.30 × 195,390.23 - Step 4: Simplify right side
348,318.14x = 93,921,015,934.39 - Step 5: Solve for x
x = 93,921,015,934.39/348,318.14 - Step 6: Final answer
x = 269,641.47
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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.