Finding the Fourth Proportional to 98,506.40, 147,852.40 and 51,792.80
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Solution
The fourth proportional to 98,506.40, 147,852.40 and 51,792.80 is: 77,737.99
Step by Step Solution
- Step 1: Write the proportion equation
98,506.40 : 147,852.40 = 51,792.80 : x - Step 2: Convert to fraction form
98,506.40/147,852.40 = 51,792.80/x - Step 3: Cross multiply
98,506.40x = 147,852.40 × 51,792.80 - Step 4: Simplify right side
98,506.40x = 7,657,689,782.72 - Step 5: Solve for x
x = 7,657,689,782.72/98,506.40 - Step 6: Final answer
x = 77,737.99
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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.