Finding the Fourth Proportional to 416,130.18, 624,195.36 and 100,587.06
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Solution
The fourth proportional to 416,130.18, 624,195.36 and 100,587.06 is: 150,880.61
Step by Step Solution
- Step 1: Write the proportion equation
416,130.18 : 624,195.36 = 100,587.06 : x - Step 2: Convert to fraction form
416,130.18/624,195.36 = 100,587.06/x - Step 3: Cross multiply
416,130.18x = 624,195.36 × 100,587.06 - Step 4: Simplify right side
416,130.18x = 62,785,976,128.04 - Step 5: Solve for x
x = 62,785,976,128.04/416,130.18 - Step 6: Final answer
x = 150,880.61
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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.