Finding the Fourth Proportional to 606,611.70, 909,831.14 and 207,270.90
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Solution
The fourth proportional to 606,611.70, 909,831.14 and 207,270.90 is: 310,876.82
Step by Step Solution
- Step 1: Write the proportion equation
606,611.70 : 909,831.14 = 207,270.90 : x - Step 2: Convert to fraction form
606,611.70/909,831.14 = 207,270.90/x - Step 3: Cross multiply
606,611.70x = 909,831.14 × 207,270.90 - Step 4: Simplify right side
606,611.70x = 188,581,519,235.83 - Step 5: Solve for x
x = 188,581,519,235.83/606,611.70 - Step 6: Final answer
x = 310,876.82
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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.