Finding the Fourth Proportional to 307,404.63, 461,054.80 and 82,714.99
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Solution
The fourth proportional to 307,404.63, 461,054.80 and 82,714.99 is: 124,058.45
Step by Step Solution
- Step 1: Write the proportion equation
307,404.63 : 461,054.80 = 82,714.99 : x - Step 2: Convert to fraction form
307,404.63/461,054.80 = 82,714.99/x - Step 3: Cross multiply
307,404.63x = 461,054.80 × 82,714.99 - Step 4: Simplify right side
307,404.63x = 38,136,142,151.46 - Step 5: Solve for x
x = 38,136,142,151.46/307,404.63 - Step 6: Final answer
x = 124,058.45
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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.