Finding the Fourth Proportional to 987,220.95, 1,480,831.43 and 239,266.95
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Solution
The fourth proportional to 987,220.95, 1,480,831.43 and 239,266.95 is: 358,900.43
Step by Step Solution
- Step 1: Write the proportion equation
987,220.95 : 1,480,831.43 = 239,266.95 : x - Step 2: Convert to fraction form
987,220.95/1,480,831.43 = 239,266.95/x - Step 3: Cross multiply
987,220.95x = 1,480,831.43 × 239,266.95 - Step 4: Simplify right side
987,220.95x = 354,314,019,720.24 - Step 5: Solve for x
x = 354,314,019,720.24/987,220.95 - Step 6: Final answer
x = 358,900.43
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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.