Finding the Fourth Proportional to 542,098.18, 748,106.30 and 315,758.26
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Solution
The fourth proportional to 542,098.18, 748,106.30 and 315,758.26 is: 435,752.70
Step by Step Solution
- Step 1: Write the proportion equation
542,098.18 : 748,106.30 = 315,758.26 : x - Step 2: Convert to fraction form
542,098.18/748,106.30 = 315,758.26/x - Step 3: Cross multiply
542,098.18x = 748,106.30 × 315,758.26 - Step 4: Simplify right side
542,098.18x = 236,220,743,583.04 - Step 5: Solve for x
x = 236,220,743,583.04/542,098.18 - Step 6: Final answer
x = 435,752.70
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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.