Finding the Fourth Proportional to 493,664.58, 740,525.58 and 138,706.26
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Solution
The fourth proportional to 493,664.58, 740,525.58 and 138,706.26 is: 208,067.46
Step by Step Solution
- Step 1: Write the proportion equation
493,664.58 : 740,525.58 = 138,706.26 : x - Step 2: Convert to fraction form
493,664.58/740,525.58 = 138,706.26/x - Step 3: Cross multiply
493,664.58x = 740,525.58 × 138,706.26 - Step 4: Simplify right side
493,664.58x = 102,715,533,636.13 - Step 5: Solve for x
x = 102,715,533,636.13/493,664.58 - Step 6: Final answer
x = 208,067.46
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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.